7481240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14387}}^1$

素因数の和:14411

約数の個数: 32

約数和(自身を含む): 18128880

約数和(自身を除く): 10647640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14387, 28774, 57548, 71935, 115096, 143870, 187031, 287740, 374062, 575480, 748124, 935155, 1496248, 1870310, 3740620, 7481240]

約数ペア:

[(1, 7481240), (2, 3740620), (4, 1870310), (5, 1496248), (8, 935155), (10, 748124), (13, 575480), (20, 374062), (26, 287740), (40, 187031), (52, 143870), (65, 115096), (104, 71935), (130, 57548), (260, 28774), (520, 14387)]