80349640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3931}}^1$

素因数の和:4022

約数の個数: 64

約数和(自身を含む): 209496960

約数和(自身を除く): 129147320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3931, 4088, 5110, 7862, 10220, 15724, 19655, 20440, 27517, 31448, 39310, 55034, 78620, 110068, 137585, 157240, 220136, 275170, 286963, 550340, 573926, 1100680, 1147852, 1434815, 2008741, 2295704, 2869630, 4017482, 5739260, 8034964, 10043705, 11478520, 16069928, 20087410, 40174820, 80349640]

約数ペア:

[(1, 80349640), (2, 40174820), (4, 20087410), (5, 16069928), (7, 11478520), (8, 10043705), (10, 8034964), (14, 5739260), (20, 4017482), (28, 2869630), (35, 2295704), (40, 2008741), (56, 1434815), (70, 1147852), (73, 1100680), (140, 573926), (146, 550340), (280, 286963), (292, 275170), (365, 220136), (511, 157240), (584, 137585), (730, 110068), (1022, 78620), (1460, 55034), (2044, 39310), (2555, 31448), (2920, 27517), (3931, 20440), (4088, 19655), (5110, 15724), (7862, 10220)]