51307040

素因数分解:

$2^5\times 5^1\times {\mathrm{320669}}^1$

素因数の和:320684

約数の個数: 24

約数和(自身を含む): 121213260

約数和(自身を除く): 69906220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 320669, 641338, 1282676, 1603345, 2565352, 3206690, 5130704, 6413380, 10261408, 12826760, 25653520, 51307040]

約数ペア:

[(1, 51307040), (2, 25653520), (4, 12826760), (5, 10261408), (8, 6413380), (10, 5130704), (16, 3206690), (20, 2565352), (32, 1603345), (40, 1282676), (80, 641338), (160, 320669)]