8196400

素因数分解:

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

素因数の和:710

約数の個数: 60

約数和(自身を含む): 20357824

約数和(自身を除く): 12161424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 661, 775, 1240, 1322, 1550, 2480, 2644, 3100, 3305, 5288, 6200, 6610, 10576, 12400, 13220, 16525, 20491, 26440, 33050, 40982, 52880, 66100, 81964, 102455, 132200, 163928, 204910, 264400, 327856, 409820, 512275, 819640, 1024550, 1639280, 2049100, 4098200, 8196400]

約数ペア:

[(1, 8196400), (2, 4098200), (4, 2049100), (5, 1639280), (8, 1024550), (10, 819640), (16, 512275), (20, 409820), (25, 327856), (31, 264400), (40, 204910), (50, 163928), (62, 132200), (80, 102455), (100, 81964), (124, 66100), (155, 52880), (200, 40982), (248, 33050), (310, 26440), (400, 20491), (496, 16525), (620, 13220), (661, 12400), (775, 10576), (1240, 6610), (1322, 6200), (1550, 5288), (2480, 3305), (2644, 3100)]