31744480

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1211

約数の個数: 48

約数和(自身を含む): 75448800

約数和(自身を除く): 43704320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 997, 1592, 1990, 1994, 3184, 3980, 3988, 4985, 6368, 7960, 7976, 9970, 15920, 15952, 19940, 31840, 31904, 39880, 79760, 159520, 198403, 396806, 793612, 992015, 1587224, 1984030, 3174448, 3968060, 6348896, 7936120, 15872240, 31744480]

約数ペア:

[(1, 31744480), (2, 15872240), (4, 7936120), (5, 6348896), (8, 3968060), (10, 3174448), (16, 1984030), (20, 1587224), (32, 992015), (40, 793612), (80, 396806), (160, 198403), (199, 159520), (398, 79760), (796, 39880), (995, 31904), (997, 31840), (1592, 19940), (1990, 15952), (1994, 15920), (3184, 9970), (3980, 7976), (3988, 7960), (4985, 6368)]