74870120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143981}}^1$

素因数の和:144005

約数の個数: 32

約数和(自身を含む): 181417320

約数和(自身を除く): 106547200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143981, 287962, 575924, 719905, 1151848, 1439810, 1871753, 2879620, 3743506, 5759240, 7487012, 9358765, 14974024, 18717530, 37435060, 74870120]

約数ペア:

[(1, 74870120), (2, 37435060), (4, 18717530), (5, 14974024), (8, 9358765), (10, 7487012), (13, 5759240), (20, 3743506), (26, 2879620), (40, 1871753), (52, 1439810), (65, 1151848), (104, 719905), (130, 575924), (260, 287962), (520, 143981)]