31595000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 75913200

約数和(自身を除く): 44318200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 89, 100, 125, 142, 178, 200, 250, 284, 355, 356, 445, 500, 568, 625, 710, 712, 890, 1000, 1250, 1420, 1775, 1780, 2225, 2500, 2840, 3550, 3560, 4450, 5000, 6319, 7100, 8875, 8900, 11125, 12638, 14200, 17750, 17800, 22250, 25276, 31595, 35500, 44375, 44500, 50552, 55625, 63190, 71000, 88750, 89000, 111250, 126380, 157975, 177500, 222500, 252760, 315950, 355000, 445000, 631900, 789875, 1263800, 1579750, 3159500, 3949375, 6319000, 7898750, 15797500, 31595000]

約数ペア:

[(1, 31595000), (2, 15797500), (4, 7898750), (5, 6319000), (8, 3949375), (10, 3159500), (20, 1579750), (25, 1263800), (40, 789875), (50, 631900), (71, 445000), (89, 355000), (100, 315950), (125, 252760), (142, 222500), (178, 177500), (200, 157975), (250, 126380), (284, 111250), (355, 89000), (356, 88750), (445, 71000), (500, 63190), (568, 55625), (625, 50552), (710, 44500), (712, 44375), (890, 35500), (1000, 31595), (1250, 25276), (1420, 22250), (1775, 17800), (1780, 17750), (2225, 14200), (2500, 12638), (2840, 11125), (3550, 8900), (3560, 8875), (4450, 7100), (5000, 6319)]