15671284840

素因数分解:

$2^3\times 5^1\times {\mathrm{391782121}}^1$

素因数の和:391782132

約数の個数: 16

約数和(自身を含む): 35260390980

約数和(自身を除く): 19589106140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 391782121, 783564242, 1567128484, 1958910605, 3134256968, 3917821210, 7835642420, 15671284840]

約数ペア:

[(1, 15671284840), (2, 7835642420), (4, 3917821210), (5, 3134256968), (8, 1958910605), (10, 1567128484), (20, 783564242), (40, 391782121)]