84354520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19709}}^1$

素因数の和:19827

約数の個数: 32

約数和(自身を含む): 191581200

約数和(自身を除く): 107226680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 19709, 39418, 78836, 98545, 157672, 197090, 394180, 788360, 2108863, 4217726, 8435452, 10544315, 16870904, 21088630, 42177260, 84354520]

約数ペア:

[(1, 84354520), (2, 42177260), (4, 21088630), (5, 16870904), (8, 10544315), (10, 8435452), (20, 4217726), (40, 2108863), (107, 788360), (214, 394180), (428, 197090), (535, 157672), (856, 98545), (1070, 78836), (2140, 39418), (4280, 19709)]