26678260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6571}}^1$

素因数の和:6616

約数の個数: 48

約数和(自身を含む): 66245760

約数和(自身を除く): 39567500

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, 4060, 6571, 13142, 26284, 32855, 45997, 65710, 91994, 131420, 183988, 190559, 229985, 381118, 459970, 762236, 919940, 952795, 1333913, 1905590, 2667826, 3811180, 5335652, 6669565, 13339130, 26678260]

約数ペア:

[(1, 26678260), (2, 13339130), (4, 6669565), (5, 5335652), (7, 3811180), (10, 2667826), (14, 1905590), (20, 1333913), (28, 952795), (29, 919940), (35, 762236), (58, 459970), (70, 381118), (116, 229985), (140, 190559), (145, 183988), (203, 131420), (290, 91994), (406, 65710), (580, 45997), (812, 32855), (1015, 26284), (2030, 13142), (4060, 6571)]