42502000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 80

約数和(自身を含む): 104457600

約数和(自身を除く): 61955600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 269, 316, 395, 400, 500, 538, 632, 790, 1000, 1076, 1264, 1345, 1580, 1975, 2000, 2152, 2690, 3160, 3950, 4304, 5380, 6320, 6725, 7900, 9875, 10760, 13450, 15800, 19750, 21251, 21520, 26900, 31600, 33625, 39500, 42502, 53800, 67250, 79000, 85004, 106255, 107600, 134500, 158000, 170008, 212510, 269000, 340016, 425020, 531275, 538000, 850040, 1062550, 1700080, 2125100, 2656375, 4250200, 5312750, 8500400, 10625500, 21251000, 42502000]

約数ペア:

[(1, 42502000), (2, 21251000), (4, 10625500), (5, 8500400), (8, 5312750), (10, 4250200), (16, 2656375), (20, 2125100), (25, 1700080), (40, 1062550), (50, 850040), (79, 538000), (80, 531275), (100, 425020), (125, 340016), (158, 269000), (200, 212510), (250, 170008), (269, 158000), (316, 134500), (395, 107600), (400, 106255), (500, 85004), (538, 79000), (632, 67250), (790, 53800), (1000, 42502), (1076, 39500), (1264, 33625), (1345, 31600), (1580, 26900), (1975, 21520), (2000, 21251), (2152, 19750), (2690, 15800), (3160, 13450), (3950, 10760), (4304, 9875), (5380, 7900), (6320, 6725)]