131290160

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9067}}^1$

素因数の和:9261

約数の個数: 40

約数和(自身を含む): 306969936

約数和(自身を除く): 175679776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 9067, 14480, 18134, 36268, 45335, 72536, 90670, 145072, 181340, 362680, 725360, 1641127, 3282254, 6564508, 8205635, 13129016, 16411270, 26258032, 32822540, 65645080, 131290160]

約数ペア:

[(1, 131290160), (2, 65645080), (4, 32822540), (5, 26258032), (8, 16411270), (10, 13129016), (16, 8205635), (20, 6564508), (40, 3282254), (80, 1641127), (181, 725360), (362, 362680), (724, 181340), (905, 145072), (1448, 90670), (1810, 72536), (2896, 45335), (3620, 36268), (7240, 18134), (9067, 14480)]