201609580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127601}}^1$

素因数の和:127689

約数の個数: 24

約数和(自身を含む): 428742720

約数和(自身を除く): 227133140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127601, 255202, 510404, 638005, 1276010, 2552020, 10080479, 20160958, 40321916, 50402395, 100804790, 201609580]

約数ペア:

[(1, 201609580), (2, 100804790), (4, 50402395), (5, 40321916), (10, 20160958), (20, 10080479), (79, 2552020), (158, 1276010), (316, 638005), (395, 510404), (790, 255202), (1580, 127601)]