25225480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3958

約数の個数: 64

約数和(自身を含む): 67703040

約数和(自身を除く): 42477560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 3917, 6440, 7834, 15668, 19585, 27419, 31336, 39170, 54838, 78340, 90091, 109676, 137095, 156680, 180182, 219352, 274190, 360364, 450455, 548380, 630637, 720728, 900910, 1096760, 1261274, 1801820, 2522548, 3153185, 3603640, 5045096, 6306370, 12612740, 25225480]

約数ペア:

[(1, 25225480), (2, 12612740), (4, 6306370), (5, 5045096), (7, 3603640), (8, 3153185), (10, 2522548), (14, 1801820), (20, 1261274), (23, 1096760), (28, 900910), (35, 720728), (40, 630637), (46, 548380), (56, 450455), (70, 360364), (92, 274190), (115, 219352), (140, 180182), (161, 156680), (184, 137095), (230, 109676), (280, 90091), (322, 78340), (460, 54838), (644, 39170), (805, 31336), (920, 27419), (1288, 19585), (1610, 15668), (3220, 7834), (3917, 6440)]