156937420

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{6701}}^1$

素因数の和:7881

約数の個数: 24

約数和(自身を含む): 329899248

約数和(自身を除く): 172961828

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 4684, 5855, 6701, 11710, 13402, 23420, 26804, 33505, 67010, 134020, 7846871, 15693742, 31387484, 39234355, 78468710, 156937420]

約数ペア:

[(1, 156937420), (2, 78468710), (4, 39234355), (5, 31387484), (10, 15693742), (20, 7846871), (1171, 134020), (2342, 67010), (4684, 33505), (5855, 26804), (6701, 23420), (11710, 13402)]