8067220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 20039040

約数和(自身を除く): 11971820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1987, 2030, 3974, 4060, 7948, 9935, 13909, 19870, 27818, 39740, 55636, 57623, 69545, 115246, 139090, 230492, 278180, 288115, 403361, 576230, 806722, 1152460, 1613444, 2016805, 4033610, 8067220]

約数ペア:

[(1, 8067220), (2, 4033610), (4, 2016805), (5, 1613444), (7, 1152460), (10, 806722), (14, 576230), (20, 403361), (28, 288115), (29, 278180), (35, 230492), (58, 139090), (70, 115246), (116, 69545), (140, 57623), (145, 55636), (203, 39740), (290, 27818), (406, 19870), (580, 13909), (812, 9935), (1015, 7948), (1987, 4060), (2030, 3974)]