205122220180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{250149049}}^1$

素因数の和:250149099

約数の個数: 24

約数和(自身を含む): 441262924200

約数和(自身を除く): 236140704020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 250149049, 500298098, 1000596196, 1250745245, 2501490490, 5002980980, 10256111009, 20512222018, 41024444036, 51280555045, 102561110090, 205122220180]

約数ペア:

[(1, 205122220180), (2, 102561110090), (4, 51280555045), (5, 41024444036), (10, 20512222018), (20, 10256111009), (41, 5002980980), (82, 2501490490), (164, 1250745245), (205, 1000596196), (410, 500298098), (820, 250149049)]