27810020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{733}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 67081728

約数和(自身を除く): 39271708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 733, 1084, 1355, 1466, 1897, 2710, 2932, 3665, 3794, 5131, 5420, 7330, 7588, 9485, 10262, 14660, 18970, 20524, 25655, 37940, 51310, 102620, 198643, 397286, 794572, 993215, 1390501, 1986430, 2781002, 3972860, 5562004, 6952505, 13905010, 27810020]

約数ペア:

[(1, 27810020), (2, 13905010), (4, 6952505), (5, 5562004), (7, 3972860), (10, 2781002), (14, 1986430), (20, 1390501), (28, 993215), (35, 794572), (70, 397286), (140, 198643), (271, 102620), (542, 51310), (733, 37940), (1084, 25655), (1355, 20524), (1466, 18970), (1897, 14660), (2710, 10262), (2932, 9485), (3665, 7588), (3794, 7330), (5131, 5420)]