201040780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127241}}^1$

素因数の和:127329

約数の個数: 24

約数和(自身を含む): 427533120

約数和(自身を除く): 226492340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127241, 254482, 508964, 636205, 1272410, 2544820, 10052039, 20104078, 40208156, 50260195, 100520390, 201040780]

約数ペア:

[(1, 201040780), (2, 100520390), (4, 50260195), (5, 40208156), (10, 20104078), (20, 10052039), (79, 2544820), (158, 1272410), (316, 636205), (395, 508964), (790, 254482), (1580, 127241)]