16321240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31387}}^1$

素因数の和:31411

約数の個数: 32

約数和(自身を含む): 39548880

約数和(自身を除く): 23227640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31387, 62774, 125548, 156935, 251096, 313870, 408031, 627740, 816062, 1255480, 1632124, 2040155, 3264248, 4080310, 8160620, 16321240]

約数ペア:

[(1, 16321240), (2, 8160620), (4, 4080310), (5, 3264248), (8, 2040155), (10, 1632124), (13, 1255480), (20, 816062), (26, 627740), (40, 408031), (52, 313870), (65, 251096), (104, 156935), (130, 125548), (260, 62774), (520, 31387)]