91239020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5639}}^1$

素因数の和:6457

約数の個数: 24

約数和(自身を含む): 191872800

約数和(自身を除く): 100633780

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5639, 8090, 11278, 16180, 22556, 28195, 56390, 112780, 4561951, 9123902, 18247804, 22809755, 45619510, 91239020]

約数ペア:

[(1, 91239020), (2, 45619510), (4, 22809755), (5, 18247804), (10, 9123902), (20, 4561951), (809, 112780), (1618, 56390), (3236, 28195), (4045, 22556), (5639, 16180), (8090, 11278)]