680367040

素因数分解:

$2^6\times 5^1\times {\mathrm{2126147}}^1$

素因数の和:2126164

約数の個数: 28

約数和(自身を含む): 1620124776

約数和(自身を除く): 939757736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2126147, 4252294, 8504588, 10630735, 17009176, 21261470, 34018352, 42522940, 68036704, 85045880, 136073408, 170091760, 340183520, 680367040]

約数ペア:

[(1, 680367040), (2, 340183520), (4, 170091760), (5, 136073408), (8, 85045880), (10, 68036704), (16, 42522940), (20, 34018352), (32, 21261470), (40, 17009176), (64, 10630735), (80, 8504588), (160, 4252294), (320, 2126147)]