40982000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 80

約数和(自身を含む): 102445824

約数和(自身を除く): 61463824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 661, 775, 1000, 1240, 1322, 1550, 2000, 2480, 2644, 3100, 3305, 3875, 5288, 6200, 6610, 7750, 10576, 12400, 13220, 15500, 16525, 20491, 26440, 31000, 33050, 40982, 52880, 62000, 66100, 81964, 82625, 102455, 132200, 163928, 165250, 204910, 264400, 327856, 330500, 409820, 512275, 661000, 819640, 1024550, 1322000, 1639280, 2049100, 2561375, 4098200, 5122750, 8196400, 10245500, 20491000, 40982000]

約数ペア:

[(1, 40982000), (2, 20491000), (4, 10245500), (5, 8196400), (8, 5122750), (10, 4098200), (16, 2561375), (20, 2049100), (25, 1639280), (31, 1322000), (40, 1024550), (50, 819640), (62, 661000), (80, 512275), (100, 409820), (124, 330500), (125, 327856), (155, 264400), (200, 204910), (248, 165250), (250, 163928), (310, 132200), (400, 102455), (496, 82625), (500, 81964), (620, 66100), (661, 62000), (775, 52880), (1000, 40982), (1240, 33050), (1322, 31000), (1550, 26440), (2000, 20491), (2480, 16525), (2644, 15500), (3100, 13220), (3305, 12400), (3875, 10576), (5288, 7750), (6200, 6610)]