57538120

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3517}}^1$

素因数の和:3937

約数の個数: 32

約数和(自身を含む): 129814200

約数和(自身を除く): 72276080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3517, 4090, 7034, 8180, 14068, 16360, 17585, 28136, 35170, 70340, 140680, 1438453, 2876906, 5753812, 7192265, 11507624, 14384530, 28769060, 57538120]

約数ペア:

[(1, 57538120), (2, 28769060), (4, 14384530), (5, 11507624), (8, 7192265), (10, 5753812), (20, 2876906), (40, 1438453), (409, 140680), (818, 70340), (1636, 35170), (2045, 28136), (3272, 17585), (3517, 16360), (4090, 14068), (7034, 8180)]