2016207920

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{40847}}^1$

素因数の和:41477

約数の個数: 40

約数和(自身を含む): 4695395904

約数和(自身を除く): 2679187984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 24680, 40847, 49360, 81694, 163388, 204235, 326776, 408470, 653552, 816940, 1633880, 3267760, 25202599, 50405198, 100810396, 126012995, 201620792, 252025990, 403241584, 504051980, 1008103960, 2016207920]

約数ペア:

[(1, 2016207920), (2, 1008103960), (4, 504051980), (5, 403241584), (8, 252025990), (10, 201620792), (16, 126012995), (20, 100810396), (40, 50405198), (80, 25202599), (617, 3267760), (1234, 1633880), (2468, 816940), (3085, 653552), (4936, 408470), (6170, 326776), (9872, 204235), (12340, 163388), (24680, 81694), (40847, 49360)]