1550871760

素因数分解:

$2^4\times 5^1\times {\mathrm{19385897}}^1$

素因数の和:19385910

約数の個数: 20

約数和(自身を含む): 3605777028

約数和(自身を除く): 2054905268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19385897, 38771794, 77543588, 96929485, 155087176, 193858970, 310174352, 387717940, 775435880, 1550871760]

約数ペア:

[(1, 1550871760), (2, 775435880), (4, 387717940), (5, 310174352), (8, 193858970), (10, 155087176), (16, 96929485), (20, 77543588), (40, 38771794), (80, 19385897)]