285963640

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{3821}}^1$

素因数の和:5703

約数の個数: 32

約数和(自身を含む): 643930560

約数和(自身を除く): 357966920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 3821, 7484, 7642, 9355, 14968, 15284, 18710, 19105, 30568, 37420, 38210, 74840, 76420, 152840, 7149091, 14298182, 28596364, 35745455, 57192728, 71490910, 142981820, 285963640]

約数ペア:

[(1, 285963640), (2, 142981820), (4, 71490910), (5, 57192728), (8, 35745455), (10, 28596364), (20, 14298182), (40, 7149091), (1871, 152840), (3742, 76420), (3821, 74840), (7484, 38210), (7642, 37420), (9355, 30568), (14968, 19105), (15284, 18710)]