15209680

素因数分解:

$2^4\times 5^1\times {\mathrm{190121}}^1$

素因数の和:190134

約数の個数: 20

約数和(自身を含む): 35362692

約数和(自身を除く): 20153012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190121, 380242, 760484, 950605, 1520968, 1901210, 3041936, 3802420, 7604840, 15209680]

約数ペア:

[(1, 15209680), (2, 7604840), (4, 3802420), (5, 3041936), (8, 1901210), (10, 1520968), (16, 950605), (20, 760484), (40, 380242), (80, 190121)]