440147240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{846437}}^1$

素因数の和:846461

約数の個数: 32

約数和(自身を含む): 1066511880

約数和(自身を除く): 626364640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 846437, 1692874, 3385748, 4232185, 6771496, 8464370, 11003681, 16928740, 22007362, 33857480, 44014724, 55018405, 88029448, 110036810, 220073620, 440147240]

約数ペア:

[(1, 440147240), (2, 220073620), (4, 110036810), (5, 88029448), (8, 55018405), (10, 44014724), (13, 33857480), (20, 22007362), (26, 16928740), (40, 11003681), (52, 8464370), (65, 6771496), (104, 4232185), (130, 3385748), (260, 1692874), (520, 846437)]