39209680

素因数分解:

$2^4\times 5^1\times {\mathrm{490121}}^1$

素因数の和:490134

約数の個数: 20

約数和(自身を含む): 91162692

約数和(自身を除く): 51953012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490121, 980242, 1960484, 2450605, 3920968, 4901210, 7841936, 9802420, 19604840, 39209680]

約数ペア:

[(1, 39209680), (2, 19604840), (4, 9802420), (5, 7841936), (8, 4901210), (10, 3920968), (16, 2450605), (20, 1960484), (40, 980242), (80, 490121)]