15628880

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 36506592

約数和(自身を除く): 20877712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 563, 694, 1126, 1388, 1735, 2252, 2776, 2815, 3470, 4504, 5552, 5630, 6940, 9008, 11260, 13880, 22520, 27760, 45040, 195361, 390722, 781444, 976805, 1562888, 1953610, 3125776, 3907220, 7814440, 15628880]

約数ペア:

[(1, 15628880), (2, 7814440), (4, 3907220), (5, 3125776), (8, 1953610), (10, 1562888), (16, 976805), (20, 781444), (40, 390722), (80, 195361), (347, 45040), (563, 27760), (694, 22520), (1126, 13880), (1388, 11260), (1735, 9008), (2252, 6940), (2776, 5630), (2815, 5552), (3470, 4504)]