65103280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 166489344

約数和(自身を除く): 101386064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 167, 176, 220, 334, 440, 443, 668, 835, 880, 886, 1336, 1670, 1772, 1837, 2215, 2672, 3340, 3544, 3674, 4430, 4873, 6680, 7088, 7348, 8860, 9185, 9746, 13360, 14696, 17720, 18370, 19492, 24365, 29392, 35440, 36740, 38984, 48730, 73480, 73981, 77968, 97460, 146960, 147962, 194920, 295924, 369905, 389840, 591848, 739810, 813791, 1183696, 1479620, 1627582, 2959240, 3255164, 4068955, 5918480, 6510328, 8137910, 13020656, 16275820, 32551640, 65103280]

約数ペア:

[(1, 65103280), (2, 32551640), (4, 16275820), (5, 13020656), (8, 8137910), (10, 6510328), (11, 5918480), (16, 4068955), (20, 3255164), (22, 2959240), (40, 1627582), (44, 1479620), (55, 1183696), (80, 813791), (88, 739810), (110, 591848), (167, 389840), (176, 369905), (220, 295924), (334, 194920), (440, 147962), (443, 146960), (668, 97460), (835, 77968), (880, 73981), (886, 73480), (1336, 48730), (1670, 38984), (1772, 36740), (1837, 35440), (2215, 29392), (2672, 24365), (3340, 19492), (3544, 18370), (3674, 17720), (4430, 14696), (4873, 13360), (6680, 9746), (7088, 9185), (7348, 8860)]