25357540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5737}}^1$

素因数の和:5776

約数の個数: 48

約数和(自身を含む): 60730992

約数和(自身を除く): 35373452

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 5737, 11474, 22948, 28685, 57370, 74581, 97529, 114740, 149162, 195058, 298324, 372905, 390116, 487645, 745810, 975290, 1267877, 1491620, 1950580, 2535754, 5071508, 6339385, 12678770, 25357540]

約数ペア:

[(1, 25357540), (2, 12678770), (4, 6339385), (5, 5071508), (10, 2535754), (13, 1950580), (17, 1491620), (20, 1267877), (26, 975290), (34, 745810), (52, 487645), (65, 390116), (68, 372905), (85, 298324), (130, 195058), (170, 149162), (221, 114740), (260, 97529), (340, 74581), (442, 57370), (884, 28685), (1105, 22948), (2210, 11474), (4420, 5737)]