80451986060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5981}}^1\times {\mathrm{15641}}^1$

素因数の和:21674

約数の個数: 48

約数和(自身を含む): 172918180512

約数和(自身を除く): 92466194452

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 5981, 11962, 15641, 23924, 29905, 31282, 59810, 62564, 78205, 119620, 156410, 257183, 312820, 514366, 672563, 1028732, 1285915, 1345126, 2571830, 2690252, 3362815, 5143660, 6725630, 13451260, 93548821, 187097642, 374195284, 467744105, 935488210, 1870976420, 4022599303, 8045198606, 16090397212, 20112996515, 40225993030, 80451986060]

約数ペア:

[(1, 80451986060), (2, 40225993030), (4, 20112996515), (5, 16090397212), (10, 8045198606), (20, 4022599303), (43, 1870976420), (86, 935488210), (172, 467744105), (215, 374195284), (430, 187097642), (860, 93548821), (5981, 13451260), (11962, 6725630), (15641, 5143660), (23924, 3362815), (29905, 2690252), (31282, 2571830), (59810, 1345126), (62564, 1285915), (78205, 1028732), (119620, 672563), (156410, 514366), (257183, 312820)]