65888920

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1987}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 148503600

約数和(自身を除く): 82614680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 1987, 3316, 3974, 4145, 6632, 7948, 8290, 9935, 15896, 16580, 19870, 33160, 39740, 79480, 1647223, 3294446, 6588892, 8236115, 13177784, 16472230, 32944460, 65888920]

約数ペア:

[(1, 65888920), (2, 32944460), (4, 16472230), (5, 13177784), (8, 8236115), (10, 6588892), (20, 3294446), (40, 1647223), (829, 79480), (1658, 39740), (1987, 33160), (3316, 19870), (3974, 16580), (4145, 15896), (6632, 9935), (7948, 8290)]