57117160

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2207}}^1$

素因数の和:2865

約数の個数: 32

約数和(自身を含む): 128770560

約数和(自身を除く): 71653400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2207, 2588, 3235, 4414, 5176, 6470, 8828, 11035, 12940, 17656, 22070, 25880, 44140, 88280, 1427929, 2855858, 5711716, 7139645, 11423432, 14279290, 28558580, 57117160]

約数ペア:

[(1, 57117160), (2, 28558580), (4, 14279290), (5, 11423432), (8, 7139645), (10, 5711716), (20, 2855858), (40, 1427929), (647, 88280), (1294, 44140), (2207, 25880), (2588, 22070), (3235, 17656), (4414, 12940), (5176, 11035), (6470, 8828)]