26981120

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 65563344

約数和(自身を除く): 38582224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 197, 214, 256, 320, 394, 428, 535, 640, 788, 856, 985, 1070, 1280, 1576, 1712, 1970, 2140, 3152, 3424, 3940, 4280, 6304, 6848, 7880, 8560, 12608, 13696, 15760, 17120, 21079, 25216, 27392, 31520, 34240, 42158, 50432, 63040, 68480, 84316, 105395, 126080, 136960, 168632, 210790, 252160, 337264, 421580, 674528, 843160, 1349056, 1686320, 2698112, 3372640, 5396224, 6745280, 13490560, 26981120]

約数ペア:

[(1, 26981120), (2, 13490560), (4, 6745280), (5, 5396224), (8, 3372640), (10, 2698112), (16, 1686320), (20, 1349056), (32, 843160), (40, 674528), (64, 421580), (80, 337264), (107, 252160), (128, 210790), (160, 168632), (197, 136960), (214, 126080), (256, 105395), (320, 84316), (394, 68480), (428, 63040), (535, 50432), (640, 42158), (788, 34240), (856, 31520), (985, 27392), (1070, 25216), (1280, 21079), (1576, 17120), (1712, 15760), (1970, 13696), (2140, 12608), (3152, 8560), (3424, 7880), (3940, 6848), (4280, 6304)]