156784180760

素因数分解:

$2^3\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{891427}}^1$

素因数の和:895835

約数の個数: 32

約数和(自身を含む): 352845030960

約数和(自身を除く): 196060850200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4397, 8794, 17588, 21985, 35176, 43970, 87940, 175880, 891427, 1782854, 3565708, 4457135, 7131416, 8914270, 17828540, 35657080, 3919604519, 7839209038, 15678418076, 19598022595, 31356836152, 39196045190, 78392090380, 156784180760]

約数ペア:

[(1, 156784180760), (2, 78392090380), (4, 39196045190), (5, 31356836152), (8, 19598022595), (10, 15678418076), (20, 7839209038), (40, 3919604519), (4397, 35657080), (8794, 17828540), (17588, 8914270), (21985, 7131416), (35176, 4457135), (43970, 3565708), (87940, 1782854), (175880, 891427)]