84676360

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8237}}^1$

素因数の和:8505

約数の個数: 32

約数和(自身を含む): 191286360

約数和(自身を除く): 106610000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8237, 10280, 16474, 32948, 41185, 65896, 82370, 164740, 329480, 2116909, 4233818, 8467636, 10584545, 16935272, 21169090, 42338180, 84676360]

約数ペア:

[(1, 84676360), (2, 42338180), (4, 21169090), (5, 16935272), (8, 10584545), (10, 8467636), (20, 4233818), (40, 2116909), (257, 329480), (514, 164740), (1028, 82370), (1285, 65896), (2056, 41185), (2570, 32948), (5140, 16474), (8237, 10280)]