56722000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 139276800

約数和(自身を除く): 82554800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 359, 395, 400, 500, 632, 718, 790, 1000, 1264, 1436, 1580, 1795, 1975, 2000, 2872, 3160, 3590, 3950, 5744, 6320, 7180, 7900, 8975, 9875, 14360, 15800, 17950, 19750, 28361, 28720, 31600, 35900, 39500, 44875, 56722, 71800, 79000, 89750, 113444, 141805, 143600, 158000, 179500, 226888, 283610, 359000, 453776, 567220, 709025, 718000, 1134440, 1418050, 2268880, 2836100, 3545125, 5672200, 7090250, 11344400, 14180500, 28361000, 56722000]

約数ペア:

[(1, 56722000), (2, 28361000), (4, 14180500), (5, 11344400), (8, 7090250), (10, 5672200), (16, 3545125), (20, 2836100), (25, 2268880), (40, 1418050), (50, 1134440), (79, 718000), (80, 709025), (100, 567220), (125, 453776), (158, 359000), (200, 283610), (250, 226888), (316, 179500), (359, 158000), (395, 143600), (400, 141805), (500, 113444), (632, 89750), (718, 79000), (790, 71800), (1000, 56722), (1264, 44875), (1436, 39500), (1580, 35900), (1795, 31600), (1975, 28720), (2000, 28361), (2872, 19750), (3160, 17950), (3590, 15800), (3950, 14360), (5744, 9875), (6320, 8975), (7180, 7900)]