11005000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 26991360

約数和(自身を除く): 15986360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 100, 124, 125, 142, 155, 200, 248, 250, 284, 310, 355, 500, 568, 620, 625, 710, 775, 1000, 1240, 1250, 1420, 1550, 1775, 2201, 2500, 2840, 3100, 3550, 3875, 4402, 5000, 6200, 7100, 7750, 8804, 8875, 11005, 14200, 15500, 17608, 17750, 19375, 22010, 31000, 35500, 38750, 44020, 44375, 55025, 71000, 77500, 88040, 88750, 110050, 155000, 177500, 220100, 275125, 355000, 440200, 550250, 1100500, 1375625, 2201000, 2751250, 5502500, 11005000]

約数ペア:

[(1, 11005000), (2, 5502500), (4, 2751250), (5, 2201000), (8, 1375625), (10, 1100500), (20, 550250), (25, 440200), (31, 355000), (40, 275125), (50, 220100), (62, 177500), (71, 155000), (100, 110050), (124, 88750), (125, 88040), (142, 77500), (155, 71000), (200, 55025), (248, 44375), (250, 44020), (284, 38750), (310, 35500), (355, 31000), (500, 22010), (568, 19375), (620, 17750), (625, 17608), (710, 15500), (775, 14200), (1000, 11005), (1240, 8875), (1250, 8804), (1420, 7750), (1550, 7100), (1775, 6200), (2201, 5000), (2500, 4402), (2840, 3875), (3100, 3550)]