158994160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{152879}}^1$

素因数の和:152905

約数の個数: 40

約数和(自身を含む): 398099520

約数和(自身を除く): 239105360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 152879, 305758, 611516, 764395, 1223032, 1528790, 1987427, 2446064, 3057580, 3974854, 6115160, 7949708, 9937135, 12230320, 15899416, 19874270, 31798832, 39748540, 79497080, 158994160]

約数ペア:

[(1, 158994160), (2, 79497080), (4, 39748540), (5, 31798832), (8, 19874270), (10, 15899416), (13, 12230320), (16, 9937135), (20, 7949708), (26, 6115160), (40, 3974854), (52, 3057580), (65, 2446064), (80, 1987427), (104, 1528790), (130, 1223032), (208, 764395), (260, 611516), (520, 305758), (1040, 152879)]