2980496720

素因数分解:

$2^4\times 5^1\times {\mathrm{37256209}}^1$

素因数の和:37256222

約数の個数: 20

約数和(自身を含む): 6929655060

約数和(自身を除く): 3949158340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 37256209, 74512418, 149024836, 186281045, 298049672, 372562090, 596099344, 745124180, 1490248360, 2980496720]

約数ペア:

[(1, 2980496720), (2, 1490248360), (4, 745124180), (5, 596099344), (8, 372562090), (10, 298049672), (16, 186281045), (20, 149024836), (40, 74512418), (80, 37256209)]