25133290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 31475990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 389, 455, 497, 710, 778, 910, 923, 994, 1846, 1945, 2485, 2723, 3890, 4615, 4970, 5057, 5446, 6461, 9230, 10114, 12922, 13615, 25285, 27230, 27619, 32305, 35399, 50570, 55238, 64610, 70798, 138095, 176995, 193333, 276190, 353990, 359047, 386666, 718094, 966665, 1795235, 1933330, 2513329, 3590470, 5026658, 12566645, 25133290]

約数ペア:

[(1, 25133290), (2, 12566645), (5, 5026658), (7, 3590470), (10, 2513329), (13, 1933330), (14, 1795235), (26, 966665), (35, 718094), (65, 386666), (70, 359047), (71, 353990), (91, 276190), (130, 193333), (142, 176995), (182, 138095), (355, 70798), (389, 64610), (455, 55238), (497, 50570), (710, 35399), (778, 32305), (910, 27619), (923, 27230), (994, 25285), (1846, 13615), (1945, 12922), (2485, 10114), (2723, 9230), (3890, 6461), (4615, 5446), (4970, 5057)]