5237980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 12428640

約数和(自身を除く): 7190660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 821, 1276, 1595, 1642, 3190, 3284, 4105, 6380, 8210, 9031, 16420, 18062, 23809, 36124, 45155, 47618, 90310, 95236, 119045, 180620, 238090, 261899, 476180, 523798, 1047596, 1309495, 2618990, 5237980]

約数ペア:

[(1, 5237980), (2, 2618990), (4, 1309495), (5, 1047596), (10, 523798), (11, 476180), (20, 261899), (22, 238090), (29, 180620), (44, 119045), (55, 95236), (58, 90310), (110, 47618), (116, 45155), (145, 36124), (220, 23809), (290, 18062), (319, 16420), (580, 9031), (638, 8210), (821, 6380), (1276, 4105), (1595, 3284), (1642, 3190)]