85972220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{48299}}^1$

素因数の和:48397

約数の個数: 24

約数和(自身を含む): 182574000

約数和(自身を除く): 96601780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 48299, 96598, 193196, 241495, 482990, 965980, 4298611, 8597222, 17194444, 21493055, 42986110, 85972220]

約数ペア:

[(1, 85972220), (2, 42986110), (4, 21493055), (5, 17194444), (10, 8597222), (20, 4298611), (89, 965980), (178, 482990), (356, 241495), (445, 193196), (890, 96598), (1780, 48299)]