126256780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{485603}}^1$

素因数の和:485625

約数の個数: 24

約数和(自身を含む): 285535152

約数和(自身を除く): 159278372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 485603, 971206, 1942412, 2428015, 4856030, 6312839, 9712060, 12625678, 25251356, 31564195, 63128390, 126256780]

約数ペア:

[(1, 126256780), (2, 63128390), (4, 31564195), (5, 25251356), (10, 12625678), (13, 9712060), (20, 6312839), (26, 4856030), (52, 2428015), (65, 1942412), (130, 971206), (260, 485603)]