157219960

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6229}}^1$

素因数の和:6871

約数の個数: 32

約数和(自身を含む): 354362400

約数和(自身を除く): 197142440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6229, 6310, 12458, 12620, 24916, 25240, 31145, 49832, 62290, 124580, 249160, 3930499, 7860998, 15721996, 19652495, 31443992, 39304990, 78609980, 157219960]

約数ペア:

[(1, 157219960), (2, 78609980), (4, 39304990), (5, 31443992), (8, 19652495), (10, 15721996), (20, 7860998), (40, 3930499), (631, 249160), (1262, 124580), (2524, 62290), (3155, 49832), (5048, 31145), (6229, 25240), (6310, 24916), (12458, 12620)]