38017640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15581}}^1$

素因数の和:15653

約数の個数: 32

約数和(自身を含む): 86947560

約数和(自身を除く): 48929920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15581, 31162, 62324, 77905, 124648, 155810, 311620, 623240, 950441, 1900882, 3801764, 4752205, 7603528, 9504410, 19008820, 38017640]

約数ペア:

[(1, 38017640), (2, 19008820), (4, 9504410), (5, 7603528), (8, 4752205), (10, 3801764), (20, 1900882), (40, 950441), (61, 623240), (122, 311620), (244, 155810), (305, 124648), (488, 77905), (610, 62324), (1220, 31162), (2440, 15581)]