31507040

素因数分解:

$2^5\times 5^1\times {\mathrm{196919}}^1$

素因数の和:196934

約数の個数: 24

約数和(自身を含む): 74435760

約数和(自身を除く): 42928720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 196919, 393838, 787676, 984595, 1575352, 1969190, 3150704, 3938380, 6301408, 7876760, 15753520, 31507040]

約数ペア:

[(1, 31507040), (2, 15753520), (4, 7876760), (5, 6301408), (8, 3938380), (10, 3150704), (16, 1969190), (20, 1575352), (32, 984595), (40, 787676), (80, 393838), (160, 196919)]