80538872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2111}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 159667200

約数和(自身を除く): 79128328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 251, 502, 1004, 2008, 2111, 4222, 4769, 8444, 9538, 16888, 19076, 38152, 40109, 80218, 160436, 320872, 529861, 1059722, 2119444, 4238888, 10067359, 20134718, 40269436, 80538872]

約数ペア:

[(1, 80538872), (2, 40269436), (4, 20134718), (8, 10067359), (19, 4238888), (38, 2119444), (76, 1059722), (152, 529861), (251, 320872), (502, 160436), (1004, 80218), (2008, 40109), (2111, 38152), (4222, 19076), (4769, 16888), (8444, 9538)]