2170291280

素因数分解:

$2^4\times 5^1\times {\mathrm{27128641}}^1$

素因数の和:27128654

約数の個数: 20

約数和(自身を含む): 5045927412

約数和(自身を除く): 2875636132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27128641, 54257282, 108514564, 135643205, 217029128, 271286410, 434058256, 542572820, 1085145640, 2170291280]

約数ペア:

[(1, 2170291280), (2, 1085145640), (4, 542572820), (5, 434058256), (8, 271286410), (10, 217029128), (16, 135643205), (20, 108514564), (40, 54257282), (80, 27128641)]