250321240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{481387}}^1$

素因数の和:481411

約数の個数: 32

約数和(自身を含む): 606548880

約数和(自身を除く): 356227640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 481387, 962774, 1925548, 2406935, 3851096, 4813870, 6258031, 9627740, 12516062, 19255480, 25032124, 31290155, 50064248, 62580310, 125160620, 250321240]

約数ペア:

[(1, 250321240), (2, 125160620), (4, 62580310), (5, 50064248), (8, 31290155), (10, 25032124), (13, 19255480), (20, 12516062), (26, 9627740), (40, 6258031), (52, 4813870), (65, 3851096), (104, 2406935), (130, 1925548), (260, 962774), (520, 481387)]