1022260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 2177280

約数和(自身を除く): 1155020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 647, 790, 1294, 1580, 2588, 3235, 6470, 12940, 51113, 102226, 204452, 255565, 511130, 1022260]

約数ペア:

[(1, 1022260), (2, 511130), (4, 255565), (5, 204452), (10, 102226), (20, 51113), (79, 12940), (158, 6470), (316, 3235), (395, 2588), (647, 1580), (790, 1294)]