39343460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^2$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 89206068

約数和(自身を除く): 49862608

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 3890, 5057, 7780, 10114, 20228, 25285, 50570, 101140, 151321, 302642, 605284, 756605, 1513210, 1967173, 3026420, 3934346, 7868692, 9835865, 19671730, 39343460]

約数ペア:

[(1, 39343460), (2, 19671730), (4, 9835865), (5, 7868692), (10, 3934346), (13, 3026420), (20, 1967173), (26, 1513210), (52, 756605), (65, 605284), (130, 302642), (260, 151321), (389, 101140), (778, 50570), (1556, 25285), (1945, 20228), (3890, 10114), (5057, 7780)]