51129440

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 121419648

約数和(自身を除く): 70290208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1433, 1784, 2230, 2866, 3568, 4460, 5732, 7136, 7165, 8920, 11464, 14330, 17840, 22928, 28660, 35680, 45856, 57320, 114640, 229280, 319559, 639118, 1278236, 1597795, 2556472, 3195590, 5112944, 6391180, 10225888, 12782360, 25564720, 51129440]

約数ペア:

[(1, 51129440), (2, 25564720), (4, 12782360), (5, 10225888), (8, 6391180), (10, 5112944), (16, 3195590), (20, 2556472), (32, 1597795), (40, 1278236), (80, 639118), (160, 319559), (223, 229280), (446, 114640), (892, 57320), (1115, 45856), (1433, 35680), (1784, 28660), (2230, 22928), (2866, 17840), (3568, 14330), (4460, 11464), (5732, 8920), (7136, 7165)]