13508720440

素因数分解:

$2^3\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{206303}}^1$

素因数の和:207951

約数の個数: 32

約数和(自身を含む): 30413335680

約数和(自身を除く): 16904615240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1637, 3274, 6548, 8185, 13096, 16370, 32740, 65480, 206303, 412606, 825212, 1031515, 1650424, 2063030, 4126060, 8252120, 337718011, 675436022, 1350872044, 1688590055, 2701744088, 3377180110, 6754360220, 13508720440]

約数ペア:

[(1, 13508720440), (2, 6754360220), (4, 3377180110), (5, 2701744088), (8, 1688590055), (10, 1350872044), (20, 675436022), (40, 337718011), (1637, 8252120), (3274, 4126060), (6548, 2063030), (8185, 1650424), (13096, 1031515), (16370, 825212), (32740, 412606), (65480, 206303)]