20444000

素因数分解:

$2^5\times 5^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 32627200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 269, 304, 380, 400, 475, 500, 538, 608, 760, 800, 950, 1000, 1076, 1345, 1520, 1900, 2000, 2152, 2375, 2690, 3040, 3800, 4000, 4304, 4750, 5111, 5380, 6725, 7600, 8608, 9500, 10222, 10760, 13450, 15200, 19000, 20444, 21520, 25555, 26900, 33625, 38000, 40888, 43040, 51110, 53800, 67250, 76000, 81776, 102220, 107600, 127775, 134500, 163552, 204440, 215200, 255550, 269000, 408880, 511100, 538000, 638875, 817760, 1022200, 1076000, 1277750, 2044400, 2555500, 4088800, 5111000, 10222000, 20444000]

約数ペア:

[(1, 20444000), (2, 10222000), (4, 5111000), (5, 4088800), (8, 2555500), (10, 2044400), (16, 1277750), (19, 1076000), (20, 1022200), (25, 817760), (32, 638875), (38, 538000), (40, 511100), (50, 408880), (76, 269000), (80, 255550), (95, 215200), (100, 204440), (125, 163552), (152, 134500), (160, 127775), (190, 107600), (200, 102220), (250, 81776), (269, 76000), (304, 67250), (380, 53800), (400, 51110), (475, 43040), (500, 40888), (538, 38000), (608, 33625), (760, 26900), (800, 25555), (950, 21520), (1000, 20444), (1076, 19000), (1345, 15200), (1520, 13450), (1900, 10760), (2000, 10222), (2152, 9500), (2375, 8608), (2690, 7600), (3040, 6725), (3800, 5380), (4000, 5111), (4304, 4750)]