25375640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 60760800

約数和(自身を除く): 35385160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 193, 346, 380, 386, 692, 760, 772, 865, 965, 1384, 1544, 1730, 1930, 3287, 3460, 3667, 3860, 6574, 6920, 7334, 7720, 13148, 14668, 16435, 18335, 26296, 29336, 32870, 33389, 36670, 65740, 66778, 73340, 131480, 133556, 146680, 166945, 267112, 333890, 634391, 667780, 1268782, 1335560, 2537564, 3171955, 5075128, 6343910, 12687820, 25375640]

約数ペア:

[(1, 25375640), (2, 12687820), (4, 6343910), (5, 5075128), (8, 3171955), (10, 2537564), (19, 1335560), (20, 1268782), (38, 667780), (40, 634391), (76, 333890), (95, 267112), (152, 166945), (173, 146680), (190, 133556), (193, 131480), (346, 73340), (380, 66778), (386, 65740), (692, 36670), (760, 33389), (772, 32870), (865, 29336), (965, 26296), (1384, 18335), (1544, 16435), (1730, 14668), (1930, 13148), (3287, 7720), (3460, 7334), (3667, 6920), (3860, 6574)]