40627840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 110160000

約数和(自身を除く): 69532160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 199, 220, 232, 290, 319, 320, 352, 398, 440, 464, 580, 638, 640, 704, 796, 880, 928, 995, 1160, 1276, 1408, 1592, 1595, 1760, 1856, 1990, 2189, 2320, 2552, 3184, 3190, 3520, 3712, 3980, 4378, 4640, 5104, 5771, 6368, 6380, 7040, 7960, 8756, 9280, 10208, 10945, 11542, 12736, 12760, 15920, 17512, 18560, 20416, 21890, 23084, 25472, 25520, 28855, 31840, 35024, 40832, 43780, 46168, 51040, 57710, 63481, 63680, 70048, 87560, 92336, 102080, 115420, 126962, 127360, 140096, 175120, 184672, 204160, 230840, 253924, 280192, 317405, 350240, 369344, 461680, 507848, 634810, 700480, 738688, 923360, 1015696, 1269620, 1400960, 1846720, 2031392, 2539240, 3693440, 4062784, 5078480, 8125568, 10156960, 20313920, 40627840]

約数ペア:

[(1, 40627840), (2, 20313920), (4, 10156960), (5, 8125568), (8, 5078480), (10, 4062784), (11, 3693440), (16, 2539240), (20, 2031392), (22, 1846720), (29, 1400960), (32, 1269620), (40, 1015696), (44, 923360), (55, 738688), (58, 700480), (64, 634810), (80, 507848), (88, 461680), (110, 369344), (116, 350240), (128, 317405), (145, 280192), (160, 253924), (176, 230840), (199, 204160), (220, 184672), (232, 175120), (290, 140096), (319, 127360), (320, 126962), (352, 115420), (398, 102080), (440, 92336), (464, 87560), (580, 70048), (638, 63680), (640, 63481), (704, 57710), (796, 51040), (880, 46168), (928, 43780), (995, 40832), (1160, 35024), (1276, 31840), (1408, 28855), (1592, 25520), (1595, 25472), (1760, 23084), (1856, 21890), (1990, 20416), (2189, 18560), (2320, 17512), (2552, 15920), (3184, 12760), (3190, 12736), (3520, 11542), (3712, 10945), (3980, 10208), (4378, 9280), (4640, 8756), (5104, 7960), (5771, 7040), (6368, 6380)]