78297760

素因数分解:

$2^5\times 5^1\times {\mathrm{489361}}^1$

素因数の和:489376

約数の個数: 24

約数和(自身を含む): 184978836

約数和(自身を除く): 106681076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 489361, 978722, 1957444, 2446805, 3914888, 4893610, 7829776, 9787220, 15659552, 19574440, 39148880, 78297760]

約数ペア:

[(1, 78297760), (2, 39148880), (4, 19574440), (5, 15659552), (8, 9787220), (10, 7829776), (16, 4893610), (20, 3914888), (32, 2446805), (40, 1957444), (80, 978722), (160, 489361)]