80966800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4937}}^1$

素因数の和:4996

約数の個数: 60

約数和(自身を含む): 199307556

約数和(自身を除く): 118340756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 4937, 8200, 9874, 16400, 19748, 24685, 39496, 49370, 78992, 98740, 123425, 197480, 202417, 246850, 394960, 404834, 493700, 809668, 987400, 1012085, 1619336, 1974800, 2024170, 3238672, 4048340, 5060425, 8096680, 10120850, 16193360, 20241700, 40483400, 80966800]

約数ペア:

[(1, 80966800), (2, 40483400), (4, 20241700), (5, 16193360), (8, 10120850), (10, 8096680), (16, 5060425), (20, 4048340), (25, 3238672), (40, 2024170), (41, 1974800), (50, 1619336), (80, 1012085), (82, 987400), (100, 809668), (164, 493700), (200, 404834), (205, 394960), (328, 246850), (400, 202417), (410, 197480), (656, 123425), (820, 98740), (1025, 78992), (1640, 49370), (2050, 39496), (3280, 24685), (4100, 19748), (4937, 16400), (8200, 9874)]