80764420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12659}}^1$

素因数の和:12708

約数の個数: 48

約数和(自身を含む): 191419200

約数和(自身を除く): 110654780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 12659, 25318, 50636, 63295, 126590, 139249, 253180, 278498, 367111, 556996, 696245, 734222, 1392490, 1468444, 1835555, 2784980, 3671110, 4038221, 7342220, 8076442, 16152884, 20191105, 40382210, 80764420]

約数ペア:

[(1, 80764420), (2, 40382210), (4, 20191105), (5, 16152884), (10, 8076442), (11, 7342220), (20, 4038221), (22, 3671110), (29, 2784980), (44, 1835555), (55, 1468444), (58, 1392490), (110, 734222), (116, 696245), (145, 556996), (220, 367111), (290, 278498), (319, 253180), (580, 139249), (638, 126590), (1276, 63295), (1595, 50636), (3190, 25318), (6380, 12659)]