28564580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 65935296

約数和(自身を除く): 37370716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 827, 1570, 1654, 1727, 3140, 3308, 3454, 4135, 6908, 8270, 8635, 9097, 16540, 17270, 18194, 34540, 36388, 45485, 90970, 129839, 181940, 259678, 519356, 649195, 1298390, 1428229, 2596780, 2856458, 5712916, 7141145, 14282290, 28564580]

約数ペア:

[(1, 28564580), (2, 14282290), (4, 7141145), (5, 5712916), (10, 2856458), (11, 2596780), (20, 1428229), (22, 1298390), (44, 649195), (55, 519356), (110, 259678), (157, 181940), (220, 129839), (314, 90970), (628, 45485), (785, 36388), (827, 34540), (1570, 18194), (1654, 17270), (1727, 16540), (3140, 9097), (3308, 8635), (3454, 8270), (4135, 6908)]