20143512320

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2551}}^1$

素因数の和:2802

約数の個数: 144

約数和(自身を含む): 50076364800

約数和(自身を除く): 29932852480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 199, 248, 256, 310, 320, 398, 496, 620, 640, 796, 992, 995, 1240, 1280, 1592, 1984, 1990, 2480, 2551, 3184, 3968, 3980, 4960, 5102, 6169, 6368, 7936, 7960, 9920, 10204, 12338, 12736, 12755, 15920, 19840, 20408, 24676, 25472, 25510, 30845, 31840, 39680, 40816, 49352, 50944, 51020, 61690, 63680, 79081, 81632, 98704, 102040, 123380, 127360, 158162, 163264, 197408, 204080, 246760, 254720, 316324, 326528, 394816, 395405, 408160, 493520, 507649, 632648, 653056, 789632, 790810, 816320, 987040, 1015298, 1265296, 1579264, 1581620, 1632640, 1974080, 2030596, 2530592, 2538245, 3163240, 3265280, 3948160, 4061192, 5061184, 5076490, 6326480, 7896320, 8122384, 10122368, 10152980, 12652960, 15737119, 16244768, 20244736, 20305960, 25305920, 31474238, 32489536, 40611920, 50611840, 62948476, 64979072, 78685595, 81223840, 101223680, 125896952, 129958144, 157371190, 162447680, 251793904, 314742380, 324895360, 503587808, 629484760, 649790720, 1007175616, 1258969520, 2014351232, 2517939040, 4028702464, 5035878080, 10071756160, 20143512320]

約数ペア:

[(1, 20143512320), (2, 10071756160), (4, 5035878080), (5, 4028702464), (8, 2517939040), (10, 2014351232), (16, 1258969520), (20, 1007175616), (31, 649790720), (32, 629484760), (40, 503587808), (62, 324895360), (64, 314742380), (80, 251793904), (124, 162447680), (128, 157371190), (155, 129958144), (160, 125896952), (199, 101223680), (248, 81223840), (256, 78685595), (310, 64979072), (320, 62948476), (398, 50611840), (496, 40611920), (620, 32489536), (640, 31474238), (796, 25305920), (992, 20305960), (995, 20244736), (1240, 16244768), (1280, 15737119), (1592, 12652960), (1984, 10152980), (1990, 10122368), (2480, 8122384), (2551, 7896320), (3184, 6326480), (3968, 5076490), (3980, 5061184), (4960, 4061192), (5102, 3948160), (6169, 3265280), (6368, 3163240), (7936, 2538245), (7960, 2530592), (9920, 2030596), (10204, 1974080), (12338, 1632640), (12736, 1581620), (12755, 1579264), (15920, 1265296), (19840, 1015298), (20408, 987040), (24676, 816320), (25472, 790810), (25510, 789632), (30845, 653056), (31840, 632648), (39680, 507649), (40816, 493520), (49352, 408160), (50944, 395405), (51020, 394816), (61690, 326528), (63680, 316324), (79081, 254720), (81632, 246760), (98704, 204080), (102040, 197408), (123380, 163264), (127360, 158162)]