51161240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98387}}^1$

素因数の和:98411

約数の個数: 32

約数和(自身を含む): 123968880

約数和(自身を除く): 72807640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98387, 196774, 393548, 491935, 787096, 983870, 1279031, 1967740, 2558062, 3935480, 5116124, 6395155, 10232248, 12790310, 25580620, 51161240]

約数ペア:

[(1, 51161240), (2, 25580620), (4, 12790310), (5, 10232248), (8, 6395155), (10, 5116124), (13, 3935480), (20, 2558062), (26, 1967740), (40, 1279031), (52, 983870), (65, 787096), (104, 491935), (130, 393548), (260, 196774), (520, 98387)]