66122680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 161935200

約数和(自身を除く): 95812520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1259, 1313, 2020, 2518, 2626, 4040, 5036, 5252, 6295, 6565, 10072, 10504, 12590, 13130, 16367, 25180, 26260, 32734, 50360, 52520, 65468, 81835, 127159, 130936, 163670, 254318, 327340, 508636, 635795, 654680, 1017272, 1271590, 1653067, 2543180, 3306134, 5086360, 6612268, 8265335, 13224536, 16530670, 33061340, 66122680]

約数ペア:

[(1, 66122680), (2, 33061340), (4, 16530670), (5, 13224536), (8, 8265335), (10, 6612268), (13, 5086360), (20, 3306134), (26, 2543180), (40, 1653067), (52, 1271590), (65, 1017272), (101, 654680), (104, 635795), (130, 508636), (202, 327340), (260, 254318), (404, 163670), (505, 130936), (520, 127159), (808, 81835), (1010, 65468), (1259, 52520), (1313, 50360), (2020, 32734), (2518, 26260), (2626, 25180), (4040, 16367), (5036, 13130), (5252, 12590), (6295, 10504), (6565, 10072)]