39888560

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2531}}^1$

素因数の和:2741

約数の個数: 40

約数和(自身を含む): 93248496

約数和(自身を除く): 53359936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2531, 3152, 3940, 5062, 7880, 10124, 12655, 15760, 20248, 25310, 40496, 50620, 101240, 202480, 498607, 997214, 1994428, 2493035, 3988856, 4986070, 7977712, 9972140, 19944280, 39888560]

約数ペア:

[(1, 39888560), (2, 19944280), (4, 9972140), (5, 7977712), (8, 4986070), (10, 3988856), (16, 2493035), (20, 1994428), (40, 997214), (80, 498607), (197, 202480), (394, 101240), (788, 50620), (985, 40496), (1576, 25310), (1970, 20248), (2531, 15760), (3152, 12655), (3940, 10124), (5062, 7880)]