19804100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6829}}^1$

素因数の和:6872

約数の個数: 36

約数和(自身を含む): 44463300

約数和(自身を除く): 24659200

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6829, 13658, 27316, 34145, 68290, 136580, 170725, 198041, 341450, 396082, 682900, 792164, 990205, 1980410, 3960820, 4951025, 9902050, 19804100]

約数ペア:

[(1, 19804100), (2, 9902050), (4, 4951025), (5, 3960820), (10, 1980410), (20, 990205), (25, 792164), (29, 682900), (50, 396082), (58, 341450), (100, 198041), (116, 170725), (145, 136580), (290, 68290), (580, 34145), (725, 27316), (1450, 13658), (2900, 6829)]