84742180

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{23671}}^1$

素因数の和:23859

約数の個数: 24

約数和(自身を含む): 178960320

約数和(自身を除く): 94218140

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 23671, 47342, 94684, 118355, 236710, 473420, 4237109, 8474218, 16948436, 21185545, 42371090, 84742180]

約数ペア:

[(1, 84742180), (2, 42371090), (4, 21185545), (5, 16948436), (10, 8474218), (20, 4237109), (179, 473420), (358, 236710), (716, 118355), (895, 94684), (1790, 47342), (3580, 23671)]