4967750000

素因数分解:

$2^4\times 5^6\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:710

約数の個数: 140

約数和(自身を含む): 12438590784

約数和(自身を除く): 7470840784

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, 625, 641, 775, 1000, 1240, 1250, 1282, 1550, 2000, 2480, 2500, 2564, 3100, 3125, 3205, 3875, 5000, 5128, 6200, 6250, 6410, 7750, 10000, 10256, 12400, 12500, 12820, 15500, 15625, 16025, 19375, 19871, 25000, 25640, 31000, 31250, 32050, 38750, 39742, 50000, 51280, 62000, 62500, 64100, 77500, 79484, 80125, 96875, 99355, 125000, 128200, 155000, 158968, 160250, 193750, 198710, 250000, 256400, 310000, 317936, 320500, 387500, 397420, 400625, 484375, 496775, 641000, 775000, 794840, 801250, 968750, 993550, 1282000, 1550000, 1589680, 1602500, 1937500, 1987100, 2003125, 2483875, 3205000, 3875000, 3974200, 4006250, 4967750, 6410000, 7750000, 7948400, 8012500, 9935500, 10015625, 12419375, 16025000, 19871000, 20031250, 24838750, 32050000, 39742000, 40062500, 49677500, 62096875, 80125000, 99355000, 124193750, 160250000, 198710000, 248387500, 310484375, 496775000, 620968750, 993550000, 1241937500, 2483875000, 4967750000]

約数ペア:

[(1, 4967750000), (2, 2483875000), (4, 1241937500), (5, 993550000), (8, 620968750), (10, 496775000), (16, 310484375), (20, 248387500), (25, 198710000), (31, 160250000), (40, 124193750), (50, 99355000), (62, 80125000), (80, 62096875), (100, 49677500), (124, 40062500), (125, 39742000), (155, 32050000), (200, 24838750), (248, 20031250), (250, 19871000), (310, 16025000), (400, 12419375), (496, 10015625), (500, 9935500), (620, 8012500), (625, 7948400), (641, 7750000), (775, 6410000), (1000, 4967750), (1240, 4006250), (1250, 3974200), (1282, 3875000), (1550, 3205000), (2000, 2483875), (2480, 2003125), (2500, 1987100), (2564, 1937500), (3100, 1602500), (3125, 1589680), (3205, 1550000), (3875, 1282000), (5000, 993550), (5128, 968750), (6200, 801250), (6250, 794840), (6410, 775000), (7750, 641000), (10000, 496775), (10256, 484375), (12400, 400625), (12500, 397420), (12820, 387500), (15500, 320500), (15625, 317936), (16025, 310000), (19375, 256400), (19871, 250000), (25000, 198710), (25640, 193750), (31000, 160250), (31250, 158968), (32050, 155000), (38750, 128200), (39742, 125000), (50000, 99355), (51280, 96875), (62000, 80125), (62500, 79484), (64100, 77500)]