87153680

素因数分解:

$2^4\times 5^1\times {\mathrm{1089421}}^1$

素因数の和:1089434

約数の個数: 20

約数和(自身を含む): 202632492

約数和(自身を除く): 115478812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1089421, 2178842, 4357684, 5447105, 8715368, 10894210, 17430736, 21788420, 43576840, 87153680]

約数ペア:

[(1, 87153680), (2, 43576840), (4, 21788420), (5, 17430736), (8, 10894210), (10, 8715368), (16, 5447105), (20, 4357684), (40, 2178842), (80, 1089421)]