72863920

素因数分解:

$2^4\times 5^1\times {\mathrm{910799}}^1$

素因数の和:910812

約数の個数: 20

約数和(自身を含む): 169408800

約数和(自身を除く): 96544880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910799, 1821598, 3643196, 4553995, 7286392, 9107990, 14572784, 18215980, 36431960, 72863920]

約数ペア:

[(1, 72863920), (2, 36431960), (4, 18215980), (5, 14572784), (8, 9107990), (10, 7286392), (16, 4553995), (20, 3643196), (40, 1821598), (80, 910799)]