218044880

素因数分解:

$2^4\times 5^1\times {\mathrm{2725561}}^1$

素因数の和:2725574

約数の個数: 20

約数和(自身を含む): 506954532

約数和(自身を除く): 288909652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2725561, 5451122, 10902244, 13627805, 21804488, 27255610, 43608976, 54511220, 109022440, 218044880]

約数ペア:

[(1, 218044880), (2, 109022440), (4, 54511220), (5, 43608976), (8, 27255610), (10, 21804488), (16, 13627805), (20, 10902244), (40, 5451122), (80, 2725561)]