55678520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13009}}^1$

素因数の和:13127

約数の個数: 32

約数和(自身を含む): 126457200

約数和(自身を除く): 70778680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 13009, 26018, 52036, 65045, 104072, 130090, 260180, 520360, 1391963, 2783926, 5567852, 6959815, 11135704, 13919630, 27839260, 55678520]

約数ペア:

[(1, 55678520), (2, 27839260), (4, 13919630), (5, 11135704), (8, 6959815), (10, 5567852), (20, 2783926), (40, 1391963), (107, 520360), (214, 260180), (428, 130090), (535, 104072), (856, 65045), (1070, 52036), (2140, 26018), (4280, 13009)]