15702464840

素因数分解:

$2^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{196379}}^1$

素因数の和:198389

約数の個数: 32

約数和(自身を含む): 35348400000

約数和(自身を除く): 19645935160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1999, 3998, 7996, 9995, 15992, 19990, 39980, 79960, 196379, 392758, 785516, 981895, 1571032, 1963790, 3927580, 7855160, 392561621, 785123242, 1570246484, 1962808105, 3140492968, 3925616210, 7851232420, 15702464840]

約数ペア:

[(1, 15702464840), (2, 7851232420), (4, 3925616210), (5, 3140492968), (8, 1962808105), (10, 1570246484), (20, 785123242), (40, 392561621), (1999, 7855160), (3998, 3927580), (7996, 1963790), (9995, 1571032), (15992, 981895), (19990, 785516), (39980, 392758), (79960, 196379)]