71304020

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{10771}}^1$

素因数の和:11111

約数の個数: 24

約数和(自身を含む): 150204768

約数和(自身を除く): 78900748

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 10771, 21542, 43084, 53855, 107710, 215420, 3565201, 7130402, 14260804, 17826005, 35652010, 71304020]

約数ペア:

[(1, 71304020), (2, 35652010), (4, 17826005), (5, 14260804), (10, 7130402), (20, 3565201), (331, 215420), (662, 107710), (1324, 53855), (1655, 43084), (3310, 21542), (6620, 10771)]