40286740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1741}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 92186640

約数和(自身を除く): 51899900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1741, 1780, 2314, 3482, 4628, 5785, 6964, 8705, 11570, 17410, 22633, 23140, 34820, 45266, 90532, 113165, 154949, 226330, 309898, 452660, 619796, 774745, 1549490, 2014337, 3098980, 4028674, 8057348, 10071685, 20143370, 40286740]

約数ペア:

[(1, 40286740), (2, 20143370), (4, 10071685), (5, 8057348), (10, 4028674), (13, 3098980), (20, 2014337), (26, 1549490), (52, 774745), (65, 619796), (89, 452660), (130, 309898), (178, 226330), (260, 154949), (356, 113165), (445, 90532), (890, 45266), (1157, 34820), (1741, 23140), (1780, 22633), (2314, 17410), (3482, 11570), (4628, 8705), (5785, 6964)]