40140212

素因数分解:

$2^2\times 7^2\times {\mathrm{204797}}^1$

素因数の和:204815

約数の個数: 18

約数和(自身を含む): 81714402

約数和(自身を除く): 41574190

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 204797, 409594, 819188, 1433579, 2867158, 5734316, 10035053, 20070106, 40140212]

約数ペア:

[(1, 40140212), (2, 20070106), (4, 10035053), (7, 5734316), (14, 2867158), (28, 1433579), (49, 819188), (98, 409594), (196, 204797)]