26216831440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{18979}}^1$

素因数の和:19580

約数の個数: 80

約数和(自身を含む): 63036679680

約数和(自身を除く): 36819848240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 557, 620, 1114, 1240, 2228, 2480, 2785, 4456, 5570, 8912, 11140, 17267, 18979, 22280, 34534, 37958, 44560, 69068, 75916, 86335, 94895, 138136, 151832, 172670, 189790, 276272, 303664, 345340, 379580, 588349, 690680, 759160, 1176698, 1381360, 1518320, 2353396, 2941745, 4706792, 5883490, 9413584, 10571303, 11766980, 21142606, 23533960, 42285212, 47067920, 52856515, 84570424, 105713030, 169140848, 211426060, 327710393, 422852120, 655420786, 845704240, 1310841572, 1638551965, 2621683144, 3277103930, 5243366288, 6554207860, 13108415720, 26216831440]

約数ペア:

[(1, 26216831440), (2, 13108415720), (4, 6554207860), (5, 5243366288), (8, 3277103930), (10, 2621683144), (16, 1638551965), (20, 1310841572), (31, 845704240), (40, 655420786), (62, 422852120), (80, 327710393), (124, 211426060), (155, 169140848), (248, 105713030), (310, 84570424), (496, 52856515), (557, 47067920), (620, 42285212), (1114, 23533960), (1240, 21142606), (2228, 11766980), (2480, 10571303), (2785, 9413584), (4456, 5883490), (5570, 4706792), (8912, 2941745), (11140, 2353396), (17267, 1518320), (18979, 1381360), (22280, 1176698), (34534, 759160), (37958, 690680), (44560, 588349), (69068, 379580), (75916, 345340), (86335, 303664), (94895, 276272), (138136, 189790), (151832, 172670)]