1666161760

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{54521}}^1$

素因数の和:54727

約数の個数: 48

約数和(自身を含む): 3956988672

約数和(自身を除く): 2290826912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 6112, 7640, 15280, 30560, 54521, 109042, 218084, 272605, 436168, 545210, 872336, 1090420, 1744672, 2180840, 4361680, 8723360, 10413511, 20827022, 41654044, 52067555, 83308088, 104135110, 166616176, 208270220, 333232352, 416540440, 833080880, 1666161760]

約数ペア:

[(1, 1666161760), (2, 833080880), (4, 416540440), (5, 333232352), (8, 208270220), (10, 166616176), (16, 104135110), (20, 83308088), (32, 52067555), (40, 41654044), (80, 20827022), (160, 10413511), (191, 8723360), (382, 4361680), (764, 2180840), (955, 1744672), (1528, 1090420), (1910, 872336), (3056, 545210), (3820, 436168), (6112, 272605), (7640, 218084), (15280, 109042), (30560, 54521)]