87131540

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2711}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 183157632

約数和(自身を除く): 96026092

約数列:

[1, 2, 4, 5, 10, 20, 1607, 2711, 3214, 5422, 6428, 8035, 10844, 13555, 16070, 27110, 32140, 54220, 4356577, 8713154, 17426308, 21782885, 43565770, 87131540]

約数ペア:

[(1, 87131540), (2, 43565770), (4, 21782885), (5, 17426308), (10, 8713154), (20, 4356577), (1607, 54220), (2711, 32140), (3214, 27110), (5422, 16070), (6428, 13555), (8035, 10844)]