157212680

素因数分解:

$2^3\times 5^1\times {\mathrm{3930317}}^1$

素因数の和:3930328

約数の個数: 16

約数和(自身を含む): 353728620

約数和(自身を除く): 196515940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930317, 7860634, 15721268, 19651585, 31442536, 39303170, 78606340, 157212680]

約数ペア:

[(1, 157212680), (2, 78606340), (4, 39303170), (5, 31442536), (8, 19651585), (10, 15721268), (20, 7860634), (40, 3930317)]