123162580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{77951}}^1$

素因数の和:78039

約数の個数: 24

約数和(自身を含む): 261918720

約数和(自身を除く): 138756140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 77951, 155902, 311804, 389755, 779510, 1559020, 6158129, 12316258, 24632516, 30790645, 61581290, 123162580]

約数ペア:

[(1, 123162580), (2, 61581290), (4, 30790645), (5, 24632516), (10, 12316258), (20, 6158129), (79, 1559020), (158, 779510), (316, 389755), (395, 311804), (790, 155902), (1580, 77951)]