8286040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 21591360

約数和(自身を除く): 13305320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 293, 404, 505, 586, 707, 808, 1010, 1172, 1414, 1465, 2020, 2051, 2344, 2828, 2930, 3535, 4040, 4102, 5656, 5860, 7070, 8204, 10255, 11720, 14140, 16408, 20510, 28280, 29593, 41020, 59186, 82040, 118372, 147965, 207151, 236744, 295930, 414302, 591860, 828604, 1035755, 1183720, 1657208, 2071510, 4143020, 8286040]

約数ペア:

[(1, 8286040), (2, 4143020), (4, 2071510), (5, 1657208), (7, 1183720), (8, 1035755), (10, 828604), (14, 591860), (20, 414302), (28, 295930), (35, 236744), (40, 207151), (56, 147965), (70, 118372), (101, 82040), (140, 59186), (202, 41020), (280, 29593), (293, 28280), (404, 20510), (505, 16408), (586, 14140), (707, 11720), (808, 10255), (1010, 8204), (1172, 7070), (1414, 5860), (1465, 5656), (2020, 4102), (2051, 4040), (2344, 3535), (2828, 2930)]