51279760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91571}}^1$

素因数の和:91591

約数の個数: 40

約数和(自身を含む): 136259136

約数和(自身を除く): 84979376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91571, 183142, 366284, 457855, 640997, 732568, 915710, 1281994, 1465136, 1831420, 2563988, 3204985, 3662840, 5127976, 6409970, 7325680, 10255952, 12819940, 25639880, 51279760]

約数ペア:

[(1, 51279760), (2, 25639880), (4, 12819940), (5, 10255952), (7, 7325680), (8, 6409970), (10, 5127976), (14, 3662840), (16, 3204985), (20, 2563988), (28, 1831420), (35, 1465136), (40, 1281994), (56, 915710), (70, 732568), (80, 640997), (112, 457855), (140, 366284), (280, 183142), (560, 91571)]