105854080

素因数分解:

$2^7\times 5^1\times {\mathrm{165397}}^1$

素因数の和:165416

約数の個数: 32

約数和(自身を含む): 253058940

約数和(自身を除く): 147204860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 165397, 330794, 661588, 826985, 1323176, 1653970, 2646352, 3307940, 5292704, 6615880, 10585408, 13231760, 21170816, 26463520, 52927040, 105854080]

約数ペア:

[(1, 105854080), (2, 52927040), (4, 26463520), (5, 21170816), (8, 13231760), (10, 10585408), (16, 6615880), (20, 5292704), (32, 3307940), (40, 2646352), (64, 1653970), (80, 1323176), (128, 826985), (160, 661588), (320, 330794), (640, 165397)]