127609640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102911}}^1$

素因数の和:102953

約数の個数: 32

約数和(自身を含む): 296386560

約数和(自身を除く): 168776920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102911, 205822, 411644, 514555, 823288, 1029110, 2058220, 3190241, 4116440, 6380482, 12760964, 15951205, 25521928, 31902410, 63804820, 127609640]

約数ペア:

[(1, 127609640), (2, 63804820), (4, 31902410), (5, 25521928), (8, 15951205), (10, 12760964), (20, 6380482), (31, 4116440), (40, 3190241), (62, 2058220), (124, 1029110), (155, 823288), (248, 514555), (310, 411644), (620, 205822), (1240, 102911)]