43870000

素因数分解:

$2^4\times 5^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 100

約数和(自身を含む): 109821096

約数和(自身を除く): 65951096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 107, 125, 164, 200, 205, 214, 250, 328, 400, 410, 428, 500, 535, 625, 656, 820, 856, 1000, 1025, 1070, 1250, 1640, 1712, 2000, 2050, 2140, 2500, 2675, 3280, 4100, 4280, 4387, 5000, 5125, 5350, 8200, 8560, 8774, 10000, 10250, 10700, 13375, 16400, 17548, 20500, 21400, 21935, 25625, 26750, 35096, 41000, 42800, 43870, 51250, 53500, 66875, 70192, 82000, 87740, 102500, 107000, 109675, 133750, 175480, 205000, 214000, 219350, 267500, 350960, 410000, 438700, 535000, 548375, 877400, 1070000, 1096750, 1754800, 2193500, 2741875, 4387000, 5483750, 8774000, 10967500, 21935000, 43870000]

約数ペア:

[(1, 43870000), (2, 21935000), (4, 10967500), (5, 8774000), (8, 5483750), (10, 4387000), (16, 2741875), (20, 2193500), (25, 1754800), (40, 1096750), (41, 1070000), (50, 877400), (80, 548375), (82, 535000), (100, 438700), (107, 410000), (125, 350960), (164, 267500), (200, 219350), (205, 214000), (214, 205000), (250, 175480), (328, 133750), (400, 109675), (410, 107000), (428, 102500), (500, 87740), (535, 82000), (625, 70192), (656, 66875), (820, 53500), (856, 51250), (1000, 43870), (1025, 42800), (1070, 41000), (1250, 35096), (1640, 26750), (1712, 25625), (2000, 21935), (2050, 21400), (2140, 20500), (2500, 17548), (2675, 16400), (3280, 13375), (4100, 10700), (4280, 10250), (4387, 10000), (5000, 8774), (5125, 8560), (5350, 8200)]