130637620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{14879}}^1$

素因数の和:15327

約数の個数: 24

約数和(自身を含む): 274982400

約数和(自身を除く): 144344780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 14879, 29758, 59516, 74395, 148790, 297580, 6531881, 13063762, 26127524, 32659405, 65318810, 130637620]

約数ペア:

[(1, 130637620), (2, 65318810), (4, 32659405), (5, 26127524), (10, 13063762), (20, 6531881), (439, 297580), (878, 148790), (1756, 74395), (2195, 59516), (4390, 29758), (8780, 14879)]