8041840

素因数分解:

$2^4\times 5^1\times {\mathrm{100523}}^1$

素因数の和:100536

約数の個数: 20

約数和(自身を含む): 18697464

約数和(自身を除く): 10655624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 100523, 201046, 402092, 502615, 804184, 1005230, 1608368, 2010460, 4020920, 8041840]

約数ペア:

[(1, 8041840), (2, 4020920), (4, 2010460), (5, 1608368), (8, 1005230), (10, 804184), (16, 502615), (20, 402092), (40, 201046), (80, 100523)]