8481042020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{110459}}^1$

素因数の和:110828

約数の個数: 48

約数和(自身を含む): 19485144000

約数和(自身を除く): 11004101980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 3490, 3839, 6980, 7678, 15356, 19195, 38390, 76780, 110459, 220918, 441836, 552295, 1104590, 1215049, 2209180, 2430098, 4860196, 6075245, 12150490, 24300980, 38550191, 77100382, 154200764, 192750955, 385501910, 424052101, 771003820, 848104202, 1696208404, 2120260505, 4240521010, 8481042020]

約数ペア:

[(1, 8481042020), (2, 4240521010), (4, 2120260505), (5, 1696208404), (10, 848104202), (11, 771003820), (20, 424052101), (22, 385501910), (44, 192750955), (55, 154200764), (110, 77100382), (220, 38550191), (349, 24300980), (698, 12150490), (1396, 6075245), (1745, 4860196), (3490, 2430098), (3839, 2209180), (6980, 1215049), (7678, 1104590), (15356, 552295), (19195, 441836), (38390, 220918), (76780, 110459)]