65682520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10459}}^1$

素因数の和:10627

約数の個数: 32

約数和(自身を含む): 148741200

約数和(自身を除く): 83058680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10459, 20918, 41836, 52295, 83672, 104590, 209180, 418360, 1642063, 3284126, 6568252, 8210315, 13136504, 16420630, 32841260, 65682520]

約数ペア:

[(1, 65682520), (2, 32841260), (4, 16420630), (5, 13136504), (8, 8210315), (10, 6568252), (20, 3284126), (40, 1642063), (157, 418360), (314, 209180), (628, 104590), (785, 83672), (1256, 52295), (1570, 41836), (3140, 20918), (6280, 10459)]