87418000

素因数分解:

$2^4\times 5^3\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:533

約数の個数: 80

約数和(自身を含む): 213847920

約数和(自身を除く): 126429920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 125, 200, 218, 250, 400, 401, 436, 500, 545, 802, 872, 1000, 1090, 1604, 1744, 2000, 2005, 2180, 2725, 3208, 4010, 4360, 5450, 6416, 8020, 8720, 10025, 10900, 13625, 16040, 20050, 21800, 27250, 32080, 40100, 43600, 43709, 50125, 54500, 80200, 87418, 100250, 109000, 160400, 174836, 200500, 218000, 218545, 349672, 401000, 437090, 699344, 802000, 874180, 1092725, 1748360, 2185450, 3496720, 4370900, 5463625, 8741800, 10927250, 17483600, 21854500, 43709000, 87418000]

約数ペア:

[(1, 87418000), (2, 43709000), (4, 21854500), (5, 17483600), (8, 10927250), (10, 8741800), (16, 5463625), (20, 4370900), (25, 3496720), (40, 2185450), (50, 1748360), (80, 1092725), (100, 874180), (109, 802000), (125, 699344), (200, 437090), (218, 401000), (250, 349672), (400, 218545), (401, 218000), (436, 200500), (500, 174836), (545, 160400), (802, 109000), (872, 100250), (1000, 87418), (1090, 80200), (1604, 54500), (1744, 50125), (2000, 43709), (2005, 43600), (2180, 40100), (2725, 32080), (3208, 27250), (4010, 21800), (4360, 20050), (5450, 16040), (6416, 13625), (8020, 10900), (8720, 10025)]