65890520

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{2131}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 148515120

約数和(自身を除く): 82624600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 1546, 2131, 3092, 3865, 4262, 6184, 7730, 8524, 10655, 15460, 17048, 21310, 30920, 42620, 85240, 1647263, 3294526, 6589052, 8236315, 13178104, 16472630, 32945260, 65890520]

約数ペア:

[(1, 65890520), (2, 32945260), (4, 16472630), (5, 13178104), (8, 8236315), (10, 6589052), (20, 3294526), (40, 1647263), (773, 85240), (1546, 42620), (2131, 30920), (3092, 21310), (3865, 17048), (4262, 15460), (6184, 10655), (7730, 8524)]