65538400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 174363840

約数和(自身を除く): 108825440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 61, 68, 79, 80, 85, 100, 122, 136, 158, 160, 170, 200, 244, 272, 305, 316, 340, 395, 400, 425, 488, 544, 610, 632, 680, 790, 800, 850, 976, 1037, 1220, 1264, 1343, 1360, 1525, 1580, 1700, 1952, 1975, 2074, 2440, 2528, 2686, 2720, 3050, 3160, 3400, 3950, 4148, 4819, 4880, 5185, 5372, 6100, 6320, 6715, 6800, 7900, 8296, 9638, 9760, 10370, 10744, 12200, 12640, 13430, 13600, 15800, 16592, 19276, 20740, 21488, 24095, 24400, 25925, 26860, 31600, 33184, 33575, 38552, 41480, 42976, 48190, 48800, 51850, 53720, 63200, 67150, 77104, 81923, 82960, 96380, 103700, 107440, 120475, 134300, 154208, 163846, 165920, 192760, 207400, 214880, 240950, 268600, 327692, 385520, 409615, 414800, 481900, 537200, 655384, 771040, 819230, 829600, 963800, 1074400, 1310768, 1638460, 1927600, 2048075, 2621536, 3276920, 3855200, 4096150, 6553840, 8192300, 13107680, 16384600, 32769200, 65538400]

約数ペア:

[(1, 65538400), (2, 32769200), (4, 16384600), (5, 13107680), (8, 8192300), (10, 6553840), (16, 4096150), (17, 3855200), (20, 3276920), (25, 2621536), (32, 2048075), (34, 1927600), (40, 1638460), (50, 1310768), (61, 1074400), (68, 963800), (79, 829600), (80, 819230), (85, 771040), (100, 655384), (122, 537200), (136, 481900), (158, 414800), (160, 409615), (170, 385520), (200, 327692), (244, 268600), (272, 240950), (305, 214880), (316, 207400), (340, 192760), (395, 165920), (400, 163846), (425, 154208), (488, 134300), (544, 120475), (610, 107440), (632, 103700), (680, 96380), (790, 82960), (800, 81923), (850, 77104), (976, 67150), (1037, 63200), (1220, 53720), (1264, 51850), (1343, 48800), (1360, 48190), (1525, 42976), (1580, 41480), (1700, 38552), (1952, 33575), (1975, 33184), (2074, 31600), (2440, 26860), (2528, 25925), (2686, 24400), (2720, 24095), (3050, 21488), (3160, 20740), (3400, 19276), (3950, 16592), (4148, 15800), (4819, 13600), (4880, 13430), (5185, 12640), (5372, 12200), (6100, 10744), (6320, 10370), (6715, 9760), (6800, 9638), (7900, 8296)]