55808240

素因数分解:

$2^4\times 5^1\times {\mathrm{697603}}^1$

素因数の和:697616

約数の個数: 20

約数和(自身を含む): 129754344

約数和(自身を除く): 73946104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697603, 1395206, 2790412, 3488015, 5580824, 6976030, 11161648, 13952060, 27904120, 55808240]

約数ペア:

[(1, 55808240), (2, 27904120), (4, 13952060), (5, 11161648), (8, 6976030), (10, 5580824), (16, 3488015), (20, 2790412), (40, 1395206), (80, 697603)]