64397450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{7621}}^1$

素因数の和:7659

約数の個数: 36

約数和(自身を含む): 129718818

約数和(自身を除く): 65321368

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 7621, 8450, 15242, 38105, 76210, 99073, 190525, 198146, 381050, 495365, 990730, 1287949, 2476825, 2575898, 4953650, 6439745, 12879490, 32198725, 64397450]

約数ペア:

[(1, 64397450), (2, 32198725), (5, 12879490), (10, 6439745), (13, 4953650), (25, 2575898), (26, 2476825), (50, 1287949), (65, 990730), (130, 495365), (169, 381050), (325, 198146), (338, 190525), (650, 99073), (845, 76210), (1690, 38105), (4225, 15242), (7621, 8450)]