81024080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 199939584

約数和(自身を除く): 118915504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 883, 1147, 1240, 1480, 1766, 2294, 2480, 2960, 3532, 4415, 4588, 5735, 7064, 8830, 9176, 11470, 14128, 17660, 18352, 22940, 27373, 32671, 35320, 45880, 54746, 65342, 70640, 91760, 109492, 130684, 136865, 163355, 218984, 261368, 273730, 326710, 437968, 522736, 547460, 653420, 1012801, 1094920, 1306840, 2025602, 2189840, 2613680, 4051204, 5064005, 8102408, 10128010, 16204816, 20256020, 40512040, 81024080]

約数ペア:

[(1, 81024080), (2, 40512040), (4, 20256020), (5, 16204816), (8, 10128010), (10, 8102408), (16, 5064005), (20, 4051204), (31, 2613680), (37, 2189840), (40, 2025602), (62, 1306840), (74, 1094920), (80, 1012801), (124, 653420), (148, 547460), (155, 522736), (185, 437968), (248, 326710), (296, 273730), (310, 261368), (370, 218984), (496, 163355), (592, 136865), (620, 130684), (740, 109492), (883, 91760), (1147, 70640), (1240, 65342), (1480, 54746), (1766, 45880), (2294, 35320), (2480, 32671), (2960, 27373), (3532, 22940), (4415, 18352), (4588, 17660), (5735, 14128), (7064, 11470), (8830, 9176)]