15931240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30637}}^1$

素因数の和:30661

約数の個数: 32

約数和(自身を含む): 38603880

約数和(自身を除く): 22672640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30637, 61274, 122548, 153185, 245096, 306370, 398281, 612740, 796562, 1225480, 1593124, 1991405, 3186248, 3982810, 7965620, 15931240]

約数ペア:

[(1, 15931240), (2, 7965620), (4, 3982810), (5, 3186248), (8, 1991405), (10, 1593124), (13, 1225480), (20, 796562), (26, 612740), (40, 398281), (52, 306370), (65, 245096), (104, 153185), (130, 122548), (260, 61274), (520, 30637)]