79221820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{22129}}^1$

素因数の和:22317

約数の個数: 24

約数和(自身を含む): 167302800

約数和(自身を除く): 88080980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 22129, 44258, 88516, 110645, 221290, 442580, 3961091, 7922182, 15844364, 19805455, 39610910, 79221820]

約数ペア:

[(1, 79221820), (2, 39610910), (4, 19805455), (5, 15844364), (10, 7922182), (20, 3961091), (179, 442580), (358, 221290), (716, 110645), (895, 88516), (1790, 44258), (3580, 22129)]