80105800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9769}}^1$

素因数の和:9826

約数の個数: 48

約数和(自身を含む): 190808100

約数和(自身を除く): 110702300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 9769, 19538, 39076, 48845, 78152, 97690, 195380, 244225, 390760, 400529, 488450, 801058, 976900, 1602116, 1953800, 2002645, 3204232, 4005290, 8010580, 10013225, 16021160, 20026450, 40052900, 80105800]

約数ペア:

[(1, 80105800), (2, 40052900), (4, 20026450), (5, 16021160), (8, 10013225), (10, 8010580), (20, 4005290), (25, 3204232), (40, 2002645), (41, 1953800), (50, 1602116), (82, 976900), (100, 801058), (164, 488450), (200, 400529), (205, 390760), (328, 244225), (410, 195380), (820, 97690), (1025, 78152), (1640, 48845), (2050, 39076), (4100, 19538), (8200, 9769)]