65748160

素因数分解:

$2^6\times 5^1\times {\mathrm{205463}}^1$

素因数の和:205480

約数の個数: 28

約数和(自身を含む): 156563568

約数和(自身を除く): 90815408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205463, 410926, 821852, 1027315, 1643704, 2054630, 3287408, 4109260, 6574816, 8218520, 13149632, 16437040, 32874080, 65748160]

約数ペア:

[(1, 65748160), (2, 32874080), (4, 16437040), (5, 13149632), (8, 8218520), (10, 6574816), (16, 4109260), (20, 3287408), (32, 2054630), (40, 1643704), (64, 1027315), (80, 821852), (160, 410926), (320, 205463)]