812282020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{8527}}^1$

素因数の和:8980

約数の個数: 48

約数和(自身を含む): 1865380608

約数和(自身を除く): 1053098588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 433, 866, 1732, 2165, 4330, 4763, 8527, 8660, 9526, 17054, 19052, 23815, 34108, 42635, 47630, 85270, 93797, 95260, 170540, 187594, 375188, 468985, 937970, 1875940, 3692191, 7384382, 14768764, 18460955, 36921910, 40614101, 73843820, 81228202, 162456404, 203070505, 406141010, 812282020]

約数ペア:

[(1, 812282020), (2, 406141010), (4, 203070505), (5, 162456404), (10, 81228202), (11, 73843820), (20, 40614101), (22, 36921910), (44, 18460955), (55, 14768764), (110, 7384382), (220, 3692191), (433, 1875940), (866, 937970), (1732, 468985), (2165, 375188), (4330, 187594), (4763, 170540), (8527, 95260), (8660, 93797), (9526, 85270), (17054, 47630), (19052, 42635), (23815, 34108)]