8031980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3319}}^1$

素因数の和:3350

約数の個数: 36

約数和(自身を含む): 18545520

約数和(自身を除く): 10513540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3319, 6638, 13276, 16595, 33190, 36509, 66380, 73018, 146036, 182545, 365090, 401599, 730180, 803198, 1606396, 2007995, 4015990, 8031980]

約数ペア:

[(1, 8031980), (2, 4015990), (4, 2007995), (5, 1606396), (10, 803198), (11, 730180), (20, 401599), (22, 365090), (44, 182545), (55, 146036), (110, 73018), (121, 66380), (220, 36509), (242, 33190), (484, 16595), (605, 13276), (1210, 6638), (2420, 3319)]