27979640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4139}}^1$

素因数の和:4176

約数の個数: 48

約数和(自身を含む): 68185800

約数和(自身を除く): 40206160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4139, 6760, 8278, 16556, 20695, 33112, 41390, 53807, 82780, 107614, 165560, 215228, 269035, 430456, 538070, 699491, 1076140, 1398982, 2152280, 2797964, 3497455, 5595928, 6994910, 13989820, 27979640]

約数ペア:

[(1, 27979640), (2, 13989820), (4, 6994910), (5, 5595928), (8, 3497455), (10, 2797964), (13, 2152280), (20, 1398982), (26, 1076140), (40, 699491), (52, 538070), (65, 430456), (104, 269035), (130, 215228), (169, 165560), (260, 107614), (338, 82780), (520, 53807), (676, 41390), (845, 33112), (1352, 20695), (1690, 16556), (3380, 8278), (4139, 6760)]