40174820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3931}}^1$

素因数の和:4020

約数の個数: 48

約数和(自身を含む): 97765248

約数和(自身を除く): 57590428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 3931, 5110, 7862, 10220, 15724, 19655, 27517, 39310, 55034, 78620, 110068, 137585, 275170, 286963, 550340, 573926, 1147852, 1434815, 2008741, 2869630, 4017482, 5739260, 8034964, 10043705, 20087410, 40174820]

約数ペア:

[(1, 40174820), (2, 20087410), (4, 10043705), (5, 8034964), (7, 5739260), (10, 4017482), (14, 2869630), (20, 2008741), (28, 1434815), (35, 1147852), (70, 573926), (73, 550340), (140, 286963), (146, 275170), (292, 137585), (365, 110068), (511, 78620), (730, 55034), (1022, 39310), (1460, 27517), (2044, 19655), (2555, 15724), (3931, 10220), (5110, 7862)]