163928000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 112

約数和(自身を含む): 419697408

約数和(自身を除く): 255769408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 496, 500, 620, 661, 775, 800, 992, 1000, 1240, 1322, 1550, 1600, 1984, 2000, 2480, 2644, 3100, 3305, 3875, 4000, 4960, 5288, 6200, 6610, 7750, 8000, 9920, 10576, 12400, 13220, 15500, 16525, 20491, 21152, 24800, 26440, 31000, 33050, 40982, 42304, 49600, 52880, 62000, 66100, 81964, 82625, 102455, 105760, 124000, 132200, 163928, 165250, 204910, 211520, 248000, 264400, 327856, 330500, 409820, 512275, 528800, 655712, 661000, 819640, 1024550, 1057600, 1311424, 1322000, 1639280, 2049100, 2561375, 2644000, 3278560, 4098200, 5122750, 5288000, 6557120, 8196400, 10245500, 16392800, 20491000, 32785600, 40982000, 81964000, 163928000]

約数ペア:

[(1, 163928000), (2, 81964000), (4, 40982000), (5, 32785600), (8, 20491000), (10, 16392800), (16, 10245500), (20, 8196400), (25, 6557120), (31, 5288000), (32, 5122750), (40, 4098200), (50, 3278560), (62, 2644000), (64, 2561375), (80, 2049100), (100, 1639280), (124, 1322000), (125, 1311424), (155, 1057600), (160, 1024550), (200, 819640), (248, 661000), (250, 655712), (310, 528800), (320, 512275), (400, 409820), (496, 330500), (500, 327856), (620, 264400), (661, 248000), (775, 211520), (800, 204910), (992, 165250), (1000, 163928), (1240, 132200), (1322, 124000), (1550, 105760), (1600, 102455), (1984, 82625), (2000, 81964), (2480, 66100), (2644, 62000), (3100, 52880), (3305, 49600), (3875, 42304), (4000, 40982), (4960, 33050), (5288, 31000), (6200, 26440), (6610, 24800), (7750, 21152), (8000, 20491), (9920, 16525), (10576, 15500), (12400, 13220)]