2227280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2555

約数の個数: 40

約数和(自身を含む): 5651424

約数和(自身を除く): 3424144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2531, 5062, 10124, 12655, 20248, 25310, 27841, 40496, 50620, 55682, 101240, 111364, 139205, 202480, 222728, 278410, 445456, 556820, 1113640, 2227280]

約数ペア:

[(1, 2227280), (2, 1113640), (4, 556820), (5, 445456), (8, 278410), (10, 222728), (11, 202480), (16, 139205), (20, 111364), (22, 101240), (40, 55682), (44, 50620), (55, 40496), (80, 27841), (88, 25310), (110, 20248), (176, 12655), (220, 10124), (440, 5062), (880, 2531)]