154929680

素因数分解:

$2^4\times 5^1\times {\mathrm{1936621}}^1$

素因数の和:1936634

約数の個数: 20

約数和(自身を含む): 360211692

約数和(自身を除く): 205282012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1936621, 3873242, 7746484, 9683105, 15492968, 19366210, 30985936, 38732420, 77464840, 154929680]

約数ペア:

[(1, 154929680), (2, 77464840), (4, 38732420), (5, 30985936), (8, 19366210), (10, 15492968), (16, 9683105), (20, 7746484), (40, 3873242), (80, 1936621)]