69204920

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2087}}^1$

素因数の和:2927

約数の個数: 32

約数和(自身を含む): 155973600

約数和(自身を除く): 86768680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 2087, 3316, 4145, 4174, 6632, 8290, 8348, 10435, 16580, 16696, 20870, 33160, 41740, 83480, 1730123, 3460246, 6920492, 8650615, 13840984, 17301230, 34602460, 69204920]

約数ペア:

[(1, 69204920), (2, 34602460), (4, 17301230), (5, 13840984), (8, 8650615), (10, 6920492), (20, 3460246), (40, 1730123), (829, 83480), (1658, 41740), (2087, 33160), (3316, 20870), (4145, 16696), (4174, 16580), (6632, 10435), (8290, 8348)]