265130480

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{16823}}^1$

素因数の和:17033

約数の個数: 40

約数和(自身を含む): 619594272

約数和(自身を除く): 354463792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 16823, 33646, 67292, 84115, 134584, 168230, 269168, 336460, 672920, 1345840, 3314131, 6628262, 13256524, 16570655, 26513048, 33141310, 53026096, 66282620, 132565240, 265130480]

約数ペア:

[(1, 265130480), (2, 132565240), (4, 66282620), (5, 53026096), (8, 33141310), (10, 26513048), (16, 16570655), (20, 13256524), (40, 6628262), (80, 3314131), (197, 1345840), (394, 672920), (788, 336460), (985, 269168), (1576, 168230), (1970, 134584), (3152, 84115), (3940, 67292), (7880, 33646), (15760, 16823)]