99719380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{121609}}^1$

素因数の和:121659

約数の個数: 24

約数和(自身を含む): 214520040

約数和(自身を除く): 114800660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 121609, 243218, 486436, 608045, 1216090, 2432180, 4985969, 9971938, 19943876, 24929845, 49859690, 99719380]

約数ペア:

[(1, 99719380), (2, 49859690), (4, 24929845), (5, 19943876), (10, 9971938), (20, 4985969), (41, 2432180), (82, 1216090), (164, 608045), (205, 486436), (410, 243218), (820, 121609)]