22178480

素因数分解:

$2^4\times 5^1\times {\mathrm{277231}}^1$

素因数の和:277244

約数の個数: 20

約数和(自身を含む): 51565152

約数和(自身を除く): 29386672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277231, 554462, 1108924, 1386155, 2217848, 2772310, 4435696, 5544620, 11089240, 22178480]

約数ペア:

[(1, 22178480), (2, 11089240), (4, 5544620), (5, 4435696), (8, 2772310), (10, 2217848), (16, 1386155), (20, 1108924), (40, 554462), (80, 277231)]