12601940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 30011520

約数和(自身を除く): 17409580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2551, 4940, 5102, 10204, 12755, 25510, 33163, 48469, 51020, 66326, 96938, 132652, 165815, 193876, 242345, 331630, 484690, 630097, 663260, 969380, 1260194, 2520388, 3150485, 6300970, 12601940]

約数ペア:

[(1, 12601940), (2, 6300970), (4, 3150485), (5, 2520388), (10, 1260194), (13, 969380), (19, 663260), (20, 630097), (26, 484690), (38, 331630), (52, 242345), (65, 193876), (76, 165815), (95, 132652), (130, 96938), (190, 66326), (247, 51020), (260, 48469), (380, 33163), (494, 25510), (988, 12755), (1235, 10204), (2470, 5102), (2551, 4940)]