205657709080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{40483801}}^1$

素因数の和:40483939

約数の個数: 32

約数和(自身を含む): 466373399040

約数和(自身を除く): 260715689960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 40483801, 80967602, 161935204, 202419005, 323870408, 404838010, 809676020, 1619352040, 5141442727, 10282885454, 20565770908, 25707213635, 41131541816, 51414427270, 102828854540, 205657709080]

約数ペア:

[(1, 205657709080), (2, 102828854540), (4, 51414427270), (5, 41131541816), (8, 25707213635), (10, 20565770908), (20, 10282885454), (40, 5141442727), (127, 1619352040), (254, 809676020), (508, 404838010), (635, 323870408), (1016, 202419005), (1270, 161935204), (2540, 80967602), (5080, 40483801)]