2015509040

素因数分解:

$2^4\times 5^1\times {\mathrm{25193863}}^1$

素因数の和:25193876

約数の個数: 20

約数和(自身を含む): 4686058704

約数和(自身を除く): 2670549664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25193863, 50387726, 100775452, 125969315, 201550904, 251938630, 403101808, 503877260, 1007754520, 2015509040]

約数ペア:

[(1, 2015509040), (2, 1007754520), (4, 503877260), (5, 403101808), (8, 251938630), (10, 201550904), (16, 125969315), (20, 100775452), (40, 50387726), (80, 25193863)]