31391680

素因数分解:

$2^6\times 5^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:653

約数の個数: 56

約数和(自身を含む): 75236832

約数和(自身を除く): 43845152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 263, 320, 373, 526, 746, 1052, 1315, 1492, 1865, 2104, 2630, 2984, 3730, 4208, 5260, 5968, 7460, 8416, 10520, 11936, 14920, 16832, 21040, 23872, 29840, 42080, 59680, 84160, 98099, 119360, 196198, 392396, 490495, 784792, 980990, 1569584, 1961980, 3139168, 3923960, 6278336, 7847920, 15695840, 31391680]

約数ペア:

[(1, 31391680), (2, 15695840), (4, 7847920), (5, 6278336), (8, 3923960), (10, 3139168), (16, 1961980), (20, 1569584), (32, 980990), (40, 784792), (64, 490495), (80, 392396), (160, 196198), (263, 119360), (320, 98099), (373, 84160), (526, 59680), (746, 42080), (1052, 29840), (1315, 23872), (1492, 21040), (1865, 16832), (2104, 14920), (2630, 11936), (2984, 10520), (3730, 8416), (4208, 7460), (5260, 5968)]