64218260

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10459}}^1$

素因数の和:10775

約数の個数: 24

約数和(自身を含む): 135310560

約数和(自身を除く): 71092300

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 10459, 20918, 41836, 52295, 104590, 209180, 3210913, 6421826, 12843652, 16054565, 32109130, 64218260]

約数ペア:

[(1, 64218260), (2, 32109130), (4, 16054565), (5, 12843652), (10, 6421826), (20, 3210913), (307, 209180), (614, 104590), (1228, 52295), (1535, 41836), (3070, 20918), (6140, 10459)]