8907580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 21490560

約数和(自身を除く): 12582980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2131, 4180, 4262, 8524, 10655, 21310, 23441, 40489, 42620, 46882, 80978, 93764, 117205, 161956, 202445, 234410, 404890, 445379, 468820, 809780, 890758, 1781516, 2226895, 4453790, 8907580]

約数ペア:

[(1, 8907580), (2, 4453790), (4, 2226895), (5, 1781516), (10, 890758), (11, 809780), (19, 468820), (20, 445379), (22, 404890), (38, 234410), (44, 202445), (55, 161956), (76, 117205), (95, 93764), (110, 80978), (190, 46882), (209, 42620), (220, 40489), (380, 23441), (418, 21310), (836, 10655), (1045, 8524), (2090, 4262), (2131, 4180)]