40691260

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12959}}^1$

素因数の和:13125

約数の個数: 24

約数和(自身を含む): 86002560

約数和(自身を除く): 45311300

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 12959, 25918, 51836, 64795, 129590, 259180, 2034563, 4069126, 8138252, 10172815, 20345630, 40691260]

約数ペア:

[(1, 40691260), (2, 20345630), (4, 10172815), (5, 8138252), (10, 4069126), (20, 2034563), (157, 259180), (314, 129590), (628, 64795), (785, 51836), (1570, 25918), (3140, 12959)]