55816240

素因数分解:

$2^4\times 5^1\times {\mathrm{697703}}^1$

素因数の和:697716

約数の個数: 20

約数和(自身を含む): 129772944

約数和(自身を除く): 73956704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697703, 1395406, 2790812, 3488515, 5581624, 6977030, 11163248, 13954060, 27908120, 55816240]

約数ペア:

[(1, 55816240), (2, 27908120), (4, 13954060), (5, 11163248), (8, 6977030), (10, 5581624), (16, 3488515), (20, 2790812), (40, 1395406), (80, 697703)]