80206600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21107}}^1$

素因数の和:21142

約数の個数: 48

約数和(自身を含む): 196304400

約数和(自身を除く): 116097800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 21107, 42214, 84428, 105535, 168856, 211070, 401033, 422140, 527675, 802066, 844280, 1055350, 1604132, 2005165, 2110700, 3208264, 4010330, 4221400, 8020660, 10025825, 16041320, 20051650, 40103300, 80206600]

約数ペア:

[(1, 80206600), (2, 40103300), (4, 20051650), (5, 16041320), (8, 10025825), (10, 8020660), (19, 4221400), (20, 4010330), (25, 3208264), (38, 2110700), (40, 2005165), (50, 1604132), (76, 1055350), (95, 844280), (100, 802066), (152, 527675), (190, 422140), (200, 401033), (380, 211070), (475, 168856), (760, 105535), (950, 84428), (1900, 42214), (3800, 21107)]