25709810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 54665280

約数和(自身を除く): 28955470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 739, 994, 1478, 2485, 3479, 3695, 4970, 5173, 6958, 7390, 10346, 17395, 25865, 34790, 36211, 51730, 52469, 72422, 104938, 181055, 262345, 362110, 367283, 524690, 734566, 1836415, 2570981, 3672830, 5141962, 12854905, 25709810]

約数ペア:

[(1, 25709810), (2, 12854905), (5, 5141962), (7, 3672830), (10, 2570981), (14, 1836415), (35, 734566), (49, 524690), (70, 367283), (71, 362110), (98, 262345), (142, 181055), (245, 104938), (355, 72422), (490, 52469), (497, 51730), (710, 36211), (739, 34790), (994, 25865), (1478, 17395), (2485, 10346), (3479, 7390), (3695, 6958), (4970, 5173)]