55561640

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4003}}^1$

素因数の和:4361

約数の個数: 32

約数和(自身を含む): 125405280

約数和(自身を除く): 69843640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 4003, 6940, 8006, 13880, 16012, 20015, 32024, 40030, 80060, 160120, 1389041, 2778082, 5556164, 6945205, 11112328, 13890410, 27780820, 55561640]

約数ペア:

[(1, 55561640), (2, 27780820), (4, 13890410), (5, 11112328), (8, 6945205), (10, 5556164), (20, 2778082), (40, 1389041), (347, 160120), (694, 80060), (1388, 40030), (1735, 32024), (2776, 20015), (3470, 16012), (4003, 13880), (6940, 8006)]