39140780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{279577}}^1$

素因数の和:279593

約数の個数: 24

約数和(自身を含む): 93938208

約数和(自身を除く): 54797428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 279577, 559154, 1118308, 1397885, 1957039, 2795770, 3914078, 5591540, 7828156, 9785195, 19570390, 39140780]

約数ペア:

[(1, 39140780), (2, 19570390), (4, 9785195), (5, 7828156), (7, 5591540), (10, 3914078), (14, 2795770), (20, 1957039), (28, 1397885), (35, 1118308), (70, 559154), (140, 279577)]