30881240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59387}}^1$

素因数の和:59411

約数の個数: 32

約数和(自身を含む): 74828880

約数和(自身を除く): 43947640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59387, 118774, 237548, 296935, 475096, 593870, 772031, 1187740, 1544062, 2375480, 3088124, 3860155, 6176248, 7720310, 15440620, 30881240]

約数ペア:

[(1, 30881240), (2, 15440620), (4, 7720310), (5, 6176248), (8, 3860155), (10, 3088124), (13, 2375480), (20, 1544062), (26, 1187740), (40, 772031), (52, 593870), (65, 475096), (104, 296935), (130, 237548), (260, 118774), (520, 59387)]