12420110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 23760000

約数和(自身を除く): 11339890

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 499, 655, 998, 1310, 2489, 2495, 4978, 4990, 9481, 12445, 18962, 24890, 47405, 65369, 94810, 130738, 326845, 653690, 1242011, 2484022, 6210055, 12420110]

約数ペア:

[(1, 12420110), (2, 6210055), (5, 2484022), (10, 1242011), (19, 653690), (38, 326845), (95, 130738), (131, 94810), (190, 65369), (262, 47405), (499, 24890), (655, 18962), (998, 12445), (1310, 9481), (2489, 4990), (2495, 4978)]