20348040050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{238967}}^1$

素因数の和:239123

約数の個数: 48

約数和(自身を含む): 41069996352

約数和(自身を除く): 20721956302

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 131, 262, 325, 650, 655, 1310, 1703, 3275, 3406, 6550, 8515, 17030, 42575, 85150, 238967, 477934, 1194835, 2389670, 3106571, 5974175, 6213142, 11948350, 15532855, 31065710, 31304677, 62609354, 77664275, 155328550, 156523385, 313046770, 406960801, 782616925, 813921602, 1565233850, 2034804005, 4069608010, 10174020025, 20348040050]

約数ペア:

[(1, 20348040050), (2, 10174020025), (5, 4069608010), (10, 2034804005), (13, 1565233850), (25, 813921602), (26, 782616925), (50, 406960801), (65, 313046770), (130, 156523385), (131, 155328550), (262, 77664275), (325, 62609354), (650, 31304677), (655, 31065710), (1310, 15532855), (1703, 11948350), (3275, 6213142), (3406, 5974175), (6550, 3106571), (8515, 2389670), (17030, 1194835), (42575, 477934), (85150, 238967)]