53786440

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2131}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 121268160

約数和(自身を除く): 67481720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2131, 2524, 3155, 4262, 5048, 6310, 8524, 10655, 12620, 17048, 21310, 25240, 42620, 85240, 1344661, 2689322, 5378644, 6723305, 10757288, 13446610, 26893220, 53786440]

約数ペア:

[(1, 53786440), (2, 26893220), (4, 13446610), (5, 10757288), (8, 6723305), (10, 5378644), (20, 2689322), (40, 1344661), (631, 85240), (1262, 42620), (2131, 25240), (2524, 21310), (3155, 17048), (4262, 12620), (5048, 10655), (6310, 8524)]