80148040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{286243}}^1$

素因数の和:286261

約数の個数: 32

約数和(自身を含む): 206095680

約数和(自身を除く): 125947640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 286243, 572486, 1144972, 1431215, 2003701, 2289944, 2862430, 4007402, 5724860, 8014804, 10018505, 11449720, 16029608, 20037010, 40074020, 80148040]

約数ペア:

[(1, 80148040), (2, 40074020), (4, 20037010), (5, 16029608), (7, 11449720), (8, 10018505), (10, 8014804), (14, 5724860), (20, 4007402), (28, 2862430), (35, 2289944), (40, 2003701), (56, 1431215), (70, 1144972), (140, 572486), (280, 286243)]