222400520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{10631}}^1$

素因数の和:11165

約数の個数: 32

約数和(自身を含む): 501405120

約数和(自身を除く): 279004600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 10631, 20920, 21262, 42524, 53155, 85048, 106310, 212620, 425240, 5560013, 11120026, 22240052, 27800065, 44480104, 55600130, 111200260, 222400520]

約数ペア:

[(1, 222400520), (2, 111200260), (4, 55600130), (5, 44480104), (8, 27800065), (10, 22240052), (20, 11120026), (40, 5560013), (523, 425240), (1046, 212620), (2092, 106310), (2615, 85048), (4184, 53155), (5230, 42524), (10460, 21262), (10631, 20920)]