21671480000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{17477}}^1$

素因数の和:17540

約数の個数: 140

約数和(自身を含む): 55474892352

約数和(自身を除く): 33803412352

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, 625, 775, 800, 992, 1000, 1240, 1250, 1550, 1600, 1984, 2000, 2480, 2500, 3100, 3875, 4000, 4960, 5000, 6200, 7750, 8000, 9920, 10000, 12400, 15500, 17477, 19375, 20000, 24800, 31000, 34954, 38750, 40000, 49600, 62000, 69908, 77500, 87385, 124000, 139816, 155000, 174770, 248000, 279632, 310000, 349540, 436925, 541787, 559264, 620000, 699080, 873850, 1083574, 1118528, 1240000, 1398160, 1747700, 2167148, 2184625, 2708935, 2796320, 3495400, 4334296, 4369250, 5417870, 5592640, 6990800, 8668592, 8738500, 10835740, 10923125, 13544675, 13981600, 17337184, 17477000, 21671480, 21846250, 27089350, 27963200, 34674368, 34954000, 43342960, 43692500, 54178700, 67723375, 69908000, 86685920, 87385000, 108357400, 135446750, 139816000, 173371840, 174770000, 216714800, 270893500, 338616875, 349540000, 433429600, 541787000, 677233750, 699080000, 866859200, 1083574000, 1354467500, 2167148000, 2708935000, 4334296000, 5417870000, 10835740000, 21671480000]

約数ペア:

[(1, 21671480000), (2, 10835740000), (4, 5417870000), (5, 4334296000), (8, 2708935000), (10, 2167148000), (16, 1354467500), (20, 1083574000), (25, 866859200), (31, 699080000), (32, 677233750), (40, 541787000), (50, 433429600), (62, 349540000), (64, 338616875), (80, 270893500), (100, 216714800), (124, 174770000), (125, 173371840), (155, 139816000), (160, 135446750), (200, 108357400), (248, 87385000), (250, 86685920), (310, 69908000), (320, 67723375), (400, 54178700), (496, 43692500), (500, 43342960), (620, 34954000), (625, 34674368), (775, 27963200), (800, 27089350), (992, 21846250), (1000, 21671480), (1240, 17477000), (1250, 17337184), (1550, 13981600), (1600, 13544675), (1984, 10923125), (2000, 10835740), (2480, 8738500), (2500, 8668592), (3100, 6990800), (3875, 5592640), (4000, 5417870), (4960, 4369250), (5000, 4334296), (6200, 3495400), (7750, 2796320), (8000, 2708935), (9920, 2184625), (10000, 2167148), (12400, 1747700), (15500, 1398160), (17477, 1240000), (19375, 1118528), (20000, 1083574), (24800, 873850), (31000, 699080), (34954, 620000), (38750, 559264), (40000, 541787), (49600, 436925), (62000, 349540), (69908, 310000), (77500, 279632), (87385, 248000), (124000, 174770), (139816, 155000)]