201216380

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{9007}}^1$

素因数の和:10133

約数の個数: 24

約数和(自身を含む): 422979648

約数和(自身を除く): 221763268

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5585, 9007, 11170, 18014, 22340, 36028, 45035, 90070, 180140, 10060819, 20121638, 40243276, 50304095, 100608190, 201216380]

約数ペア:

[(1, 201216380), (2, 100608190), (4, 50304095), (5, 40243276), (10, 20121638), (20, 10060819), (1117, 180140), (2234, 90070), (4468, 45035), (5585, 36028), (9007, 22340), (11170, 18014)]