40689425

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 60746112

約数和(自身を除く): 20056687

約数列:

[1, 5, 7, 25, 35, 41, 53, 107, 175, 205, 265, 287, 371, 535, 749, 1025, 1325, 1435, 1855, 2173, 2675, 3745, 4387, 5671, 7175, 9275, 10865, 15211, 18725, 21935, 28355, 30709, 39697, 54325, 76055, 109675, 141775, 153545, 198485, 232511, 380275, 767725, 992425, 1162555, 1627577, 5812775, 8137885, 40689425]

約数ペア:

[(1, 40689425), (5, 8137885), (7, 5812775), (25, 1627577), (35, 1162555), (41, 992425), (53, 767725), (107, 380275), (175, 232511), (205, 198485), (265, 153545), (287, 141775), (371, 109675), (535, 76055), (749, 54325), (1025, 39697), (1325, 30709), (1435, 28355), (1855, 21935), (2173, 18725), (2675, 15211), (3745, 10865), (4387, 9275), (5671, 7175)]