55071920

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1123}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 128365296

約数和(自身を除く): 73293376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1123, 1226, 2246, 2452, 3065, 4492, 4904, 5615, 6130, 8984, 9808, 11230, 12260, 17968, 22460, 24520, 44920, 49040, 89840, 688399, 1376798, 2753596, 3441995, 5507192, 6883990, 11014384, 13767980, 27535960, 55071920]

約数ペア:

[(1, 55071920), (2, 27535960), (4, 13767980), (5, 11014384), (8, 6883990), (10, 5507192), (16, 3441995), (20, 2753596), (40, 1376798), (80, 688399), (613, 89840), (1123, 49040), (1226, 44920), (2246, 24520), (2452, 22460), (3065, 17968), (4492, 12260), (4904, 11230), (5615, 9808), (6130, 8984)]