21935000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 53139240

約数和(自身を除く): 31204240

約数列:

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

約数ペア:

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