80446960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 206102880

約数和(自身を除く): 125655920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 565, 809, 880, 904, 1130, 1243, 1618, 1808, 2260, 2486, 3236, 4045, 4520, 4972, 6215, 6472, 8090, 8899, 9040, 9944, 12430, 12944, 16180, 17798, 19888, 24860, 32360, 35596, 44495, 49720, 64720, 71192, 88990, 91417, 99440, 142384, 177980, 182834, 355960, 365668, 457085, 711920, 731336, 914170, 1005587, 1462672, 1828340, 2011174, 3656680, 4022348, 5027935, 7313360, 8044696, 10055870, 16089392, 20111740, 40223480, 80446960]

約数ペア:

[(1, 80446960), (2, 40223480), (4, 20111740), (5, 16089392), (8, 10055870), (10, 8044696), (11, 7313360), (16, 5027935), (20, 4022348), (22, 3656680), (40, 2011174), (44, 1828340), (55, 1462672), (80, 1005587), (88, 914170), (110, 731336), (113, 711920), (176, 457085), (220, 365668), (226, 355960), (440, 182834), (452, 177980), (565, 142384), (809, 99440), (880, 91417), (904, 88990), (1130, 71192), (1243, 64720), (1618, 49720), (1808, 44495), (2260, 35596), (2486, 32360), (3236, 24860), (4045, 19888), (4520, 17798), (4972, 16180), (6215, 12944), (6472, 12430), (8090, 9944), (8899, 9040)]