65312440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7193}}^1$

素因数の和:7431

約数の個数: 32

約数和(自身を含む): 147620880

約数和(自身を除く): 82308440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7193, 9080, 14386, 28772, 35965, 57544, 71930, 143860, 287720, 1632811, 3265622, 6531244, 8164055, 13062488, 16328110, 32656220, 65312440]

約数ペア:

[(1, 65312440), (2, 32656220), (4, 16328110), (5, 13062488), (8, 8164055), (10, 6531244), (20, 3265622), (40, 1632811), (227, 287720), (454, 143860), (908, 71930), (1135, 57544), (1816, 35965), (2270, 28772), (4540, 14386), (7193, 9080)]