78417760

素因数分解:

$2^5\times 5^1\times {\mathrm{490111}}^1$

素因数の和:490126

約数の個数: 24

約数和(自身を含む): 185262336

約数和(自身を除く): 106844576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490111, 980222, 1960444, 2450555, 3920888, 4901110, 7841776, 9802220, 15683552, 19604440, 39208880, 78417760]

約数ペア:

[(1, 78417760), (2, 39208880), (4, 19604440), (5, 15683552), (8, 9802220), (10, 7841776), (16, 4901110), (20, 3920888), (32, 2450555), (40, 1960444), (80, 980222), (160, 490111)]