204314540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{129313}}^1$

素因数の和:129401

約数の個数: 24

約数和(自身を含む): 434495040

約数和(自身を除く): 230180500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 129313, 258626, 517252, 646565, 1293130, 2586260, 10215727, 20431454, 40862908, 51078635, 102157270, 204314540]

約数ペア:

[(1, 204314540), (2, 102157270), (4, 51078635), (5, 40862908), (10, 20431454), (20, 10215727), (79, 2586260), (158, 1293130), (316, 646565), (395, 517252), (790, 258626), (1580, 129313)]