8481340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 21067200

約数和(自身を除く): 12585860

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, 2030, 2089, 4060, 4178, 8356, 10445, 14623, 20890, 29246, 41780, 58492, 60581, 73115, 121162, 146230, 242324, 292460, 302905, 424067, 605810, 848134, 1211620, 1696268, 2120335, 4240670, 8481340]

約数ペア:

[(1, 8481340), (2, 4240670), (4, 2120335), (5, 1696268), (7, 1211620), (10, 848134), (14, 605810), (20, 424067), (28, 302905), (29, 292460), (35, 242324), (58, 146230), (70, 121162), (116, 73115), (140, 60581), (145, 58492), (203, 41780), (290, 29246), (406, 20890), (580, 14623), (812, 10445), (1015, 8356), (2030, 4178), (2089, 4060)]