9977680

素因数分解:

$2^4\times 5^1\times {\mathrm{124721}}^1$

素因数の和:124734

約数の個数: 20

約数和(自身を含む): 23198292

約数和(自身を除く): 13220612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124721, 249442, 498884, 623605, 997768, 1247210, 1995536, 2494420, 4988840, 9977680]

約数ペア:

[(1, 9977680), (2, 4988840), (4, 2494420), (5, 1995536), (8, 1247210), (10, 997768), (16, 623605), (20, 498884), (40, 249442), (80, 124721)]