80815100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 187675488

約数和(自身を除く): 106860388

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 410, 460, 575, 820, 857, 943, 1025, 1150, 1714, 1886, 2050, 2300, 3428, 3772, 4100, 4285, 4715, 8570, 9430, 17140, 18860, 19711, 21425, 23575, 35137, 39422, 42850, 47150, 70274, 78844, 85700, 94300, 98555, 140548, 175685, 197110, 351370, 394220, 492775, 702740, 808151, 878425, 985550, 1616302, 1756850, 1971100, 3232604, 3513700, 4040755, 8081510, 16163020, 20203775, 40407550, 80815100]

約数ペア:

[(1, 80815100), (2, 40407550), (4, 20203775), (5, 16163020), (10, 8081510), (20, 4040755), (23, 3513700), (25, 3232604), (41, 1971100), (46, 1756850), (50, 1616302), (82, 985550), (92, 878425), (100, 808151), (115, 702740), (164, 492775), (205, 394220), (230, 351370), (410, 197110), (460, 175685), (575, 140548), (820, 98555), (857, 94300), (943, 85700), (1025, 78844), (1150, 70274), (1714, 47150), (1886, 42850), (2050, 39422), (2300, 35137), (3428, 23575), (3772, 21425), (4100, 19711), (4285, 18860), (4715, 17140), (8570, 9430)]