25650170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 57770496

約数和(自身を除く): 32120326

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 397, 455, 497, 710, 794, 910, 923, 994, 1846, 1985, 2485, 2779, 3970, 4615, 4970, 5161, 5558, 6461, 9230, 10322, 12922, 13895, 25805, 27790, 28187, 32305, 36127, 51610, 56374, 64610, 72254, 140935, 180635, 197309, 281870, 361270, 366431, 394618, 732862, 986545, 1832155, 1973090, 2565017, 3664310, 5130034, 12825085, 25650170]

約数ペア:

[(1, 25650170), (2, 12825085), (5, 5130034), (7, 3664310), (10, 2565017), (13, 1973090), (14, 1832155), (26, 986545), (35, 732862), (65, 394618), (70, 366431), (71, 361270), (91, 281870), (130, 197309), (142, 180635), (182, 140935), (355, 72254), (397, 64610), (455, 56374), (497, 51610), (710, 36127), (794, 32305), (910, 28187), (923, 27790), (994, 25805), (1846, 13895), (1985, 12922), (2485, 10322), (2779, 9230), (3970, 6461), (4615, 5558), (4970, 5161)]