157213240

素因数分解:

$2^3\times 5^1\times {\mathrm{3930331}}^1$

素因数の和:3930342

約数の個数: 16

約数和(自身を含む): 353729880

約数和(自身を除く): 196516640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930331, 7860662, 15721324, 19651655, 31442648, 39303310, 78606620, 157213240]

約数ペア:

[(1, 157213240), (2, 78606620), (4, 39303310), (5, 31442648), (8, 19651655), (10, 15721324), (20, 7860662), (40, 3930331)]