55857860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{64951}}^1$

素因数の和:65003

約数の個数: 24

約数和(自身を含む): 120031296

約数和(自身を除く): 64173436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 64951, 129902, 259804, 324755, 649510, 1299020, 2792893, 5585786, 11171572, 13964465, 27928930, 55857860]

約数ペア:

[(1, 55857860), (2, 27928930), (4, 13964465), (5, 11171572), (10, 5585786), (20, 2792893), (43, 1299020), (86, 649510), (172, 324755), (215, 259804), (430, 129902), (860, 64951)]