61442840

素因数分解:

$2^3\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{1487}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 138473280

約数和(自身を除く): 77030440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1033, 1487, 2066, 2974, 4132, 5165, 5948, 7435, 8264, 10330, 11896, 14870, 20660, 29740, 41320, 59480, 1536071, 3072142, 6144284, 7680355, 12288568, 15360710, 30721420, 61442840]

約数ペア:

[(1, 61442840), (2, 30721420), (4, 15360710), (5, 12288568), (8, 7680355), (10, 6144284), (20, 3072142), (40, 1536071), (1033, 59480), (1487, 41320), (2066, 29740), (2974, 20660), (4132, 14870), (5165, 11896), (5948, 10330), (7435, 8264)]