102455000

素因数分解:

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

素因数の和:718

約数の個数: 80

約数和(自身を含む): 248170560

約数和(自身を除く): 145715560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 661, 775, 1000, 1240, 1250, 1322, 1550, 2500, 2644, 3100, 3305, 3875, 5000, 5288, 6200, 6610, 7750, 13220, 15500, 16525, 19375, 20491, 26440, 31000, 33050, 38750, 40982, 66100, 77500, 81964, 82625, 102455, 132200, 155000, 163928, 165250, 204910, 330500, 409820, 413125, 512275, 661000, 819640, 826250, 1024550, 1652500, 2049100, 2561375, 3305000, 4098200, 5122750, 10245500, 12806875, 20491000, 25613750, 51227500, 102455000]

約数ペア:

[(1, 102455000), (2, 51227500), (4, 25613750), (5, 20491000), (8, 12806875), (10, 10245500), (20, 5122750), (25, 4098200), (31, 3305000), (40, 2561375), (50, 2049100), (62, 1652500), (100, 1024550), (124, 826250), (125, 819640), (155, 661000), (200, 512275), (248, 413125), (250, 409820), (310, 330500), (500, 204910), (620, 165250), (625, 163928), (661, 155000), (775, 132200), (1000, 102455), (1240, 82625), (1250, 81964), (1322, 77500), (1550, 66100), (2500, 40982), (2644, 38750), (3100, 33050), (3305, 31000), (3875, 26440), (5000, 20491), (5288, 19375), (6200, 16525), (6610, 15500), (7750, 13220)]