1385680

素因数分解:

$2^4\times 5^1\times {\mathrm{17321}}^1$

素因数の和:17334

約数の個数: 20

約数和(自身を含む): 3221892

約数和(自身を除く): 1836212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17321, 34642, 69284, 86605, 138568, 173210, 277136, 346420, 692840, 1385680]

約数ペア:

[(1, 1385680), (2, 692840), (4, 346420), (5, 277136), (8, 173210), (10, 138568), (16, 86605), (20, 69284), (40, 34642), (80, 17321)]