4890160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5557}}^1$

素因数の和:5581

約数の個数: 40

約数和(自身を含む): 12405456

約数和(自身を除く): 7515296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 5557, 11114, 22228, 27785, 44456, 55570, 61127, 88912, 111140, 122254, 222280, 244508, 305635, 444560, 489016, 611270, 978032, 1222540, 2445080, 4890160]

約数ペア:

[(1, 4890160), (2, 2445080), (4, 1222540), (5, 978032), (8, 611270), (10, 489016), (11, 444560), (16, 305635), (20, 244508), (22, 222280), (40, 122254), (44, 111140), (55, 88912), (80, 61127), (88, 55570), (110, 44456), (176, 27785), (220, 22228), (440, 11114), (880, 5557)]