78765490

素因数分解:

$2^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{4079}}^1$

素因数の和:6017

約数の個数: 16

約数和(自身を含む): 141886080

約数和(自身を除く): 63120590

約数列:

[1, 2, 5, 10, 1931, 3862, 4079, 8158, 9655, 19310, 20395, 40790, 7876549, 15753098, 39382745, 78765490]

約数ペア:

[(1, 78765490), (2, 39382745), (5, 15753098), (10, 7876549), (1931, 40790), (3862, 20395), (4079, 19310), (8158, 9655)]