8122000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 20427264

約数和(自身を除く): 12305264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 131, 155, 200, 248, 250, 262, 310, 400, 496, 500, 524, 620, 655, 775, 1000, 1048, 1240, 1310, 1550, 2000, 2096, 2480, 2620, 3100, 3275, 3875, 4061, 5240, 6200, 6550, 7750, 8122, 10480, 12400, 13100, 15500, 16244, 16375, 20305, 26200, 31000, 32488, 32750, 40610, 52400, 62000, 64976, 65500, 81220, 101525, 131000, 162440, 203050, 262000, 324880, 406100, 507625, 812200, 1015250, 1624400, 2030500, 4061000, 8122000]

約数ペア:

[(1, 8122000), (2, 4061000), (4, 2030500), (5, 1624400), (8, 1015250), (10, 812200), (16, 507625), (20, 406100), (25, 324880), (31, 262000), (40, 203050), (50, 162440), (62, 131000), (80, 101525), (100, 81220), (124, 65500), (125, 64976), (131, 62000), (155, 52400), (200, 40610), (248, 32750), (250, 32488), (262, 31000), (310, 26200), (400, 20305), (496, 16375), (500, 16244), (524, 15500), (620, 13100), (655, 12400), (775, 10480), (1000, 8122), (1048, 7750), (1240, 6550), (1310, 6200), (1550, 5240), (2000, 4061), (2096, 3875), (2480, 3275), (2620, 3100)]