201495820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127529}}^1$

素因数の和:127617

約数の個数: 24

約数和(自身を含む): 428500800

約数和(自身を除く): 227004980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127529, 255058, 510116, 637645, 1275290, 2550580, 10074791, 20149582, 40299164, 50373955, 100747910, 201495820]

約数ペア:

[(1, 201495820), (2, 100747910), (4, 50373955), (5, 40299164), (10, 20149582), (20, 10074791), (79, 2550580), (158, 1275290), (316, 637645), (395, 510116), (790, 255058), (1580, 127529)]