63964660

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{1973}}^1$

素因数の和:3603

約数の個数: 24

約数和(自身を含む): 134476776

約数和(自身を除く): 70512116

約数列:

[1, 2, 4, 5, 10, 20, 1621, 1973, 3242, 3946, 6484, 7892, 8105, 9865, 16210, 19730, 32420, 39460, 3198233, 6396466, 12792932, 15991165, 31982330, 63964660]

約数ペア:

[(1, 63964660), (2, 31982330), (4, 15991165), (5, 12792932), (10, 6396466), (20, 3198233), (1621, 39460), (1973, 32420), (3242, 19730), (3946, 16210), (6484, 9865), (7892, 8105)]