140611640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270407}}^1$

素因数の和:270431

約数の個数: 32

約数和(自身を含む): 340714080

約数和(自身を除く): 200102440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 270407, 540814, 1081628, 1352035, 2163256, 2704070, 3515291, 5408140, 7030582, 10816280, 14061164, 17576455, 28122328, 35152910, 70305820, 140611640]

約数ペア:

[(1, 140611640), (2, 70305820), (4, 35152910), (5, 28122328), (8, 17576455), (10, 14061164), (13, 10816280), (20, 7030582), (26, 5408140), (40, 3515291), (52, 2704070), (65, 2163256), (104, 1352035), (130, 1081628), (260, 540814), (520, 270407)]