74872120

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10457}}^1$

素因数の和:10647

約数の個数: 32

約数和(自身を含む): 169419600

約数和(自身を除く): 94547480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 10457, 20914, 41828, 52285, 83656, 104570, 209140, 418280, 1871803, 3743606, 7487212, 9359015, 14974424, 18718030, 37436060, 74872120]

約数ペア:

[(1, 74872120), (2, 37436060), (4, 18718030), (5, 14974424), (8, 9359015), (10, 7487212), (20, 3743606), (40, 1871803), (179, 418280), (358, 209140), (716, 104570), (895, 83656), (1432, 52285), (1790, 41828), (3580, 20914), (7160, 10457)]