87386140

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{5309}}^1$

素因数の和:6141

約数の個数: 24

約数和(自身を含む): 183768480

約数和(自身を除く): 96382340

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 5309, 8230, 10618, 16460, 21236, 26545, 53090, 106180, 4369307, 8738614, 17477228, 21846535, 43693070, 87386140]

約数ペア:

[(1, 87386140), (2, 43693070), (4, 21846535), (5, 17477228), (10, 8738614), (20, 4369307), (823, 106180), (1646, 53090), (3292, 26545), (4115, 21236), (5309, 16460), (8230, 10618)]