2021567560

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{43159}}^1$

素因数の和:44341

約数の個数: 32

約数和(自身を含む): 4552516800

約数和(自身を除く): 2530949240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 4684, 5855, 9368, 11710, 23420, 43159, 46840, 86318, 172636, 215795, 345272, 431590, 863180, 1726360, 50539189, 101078378, 202156756, 252695945, 404313512, 505391890, 1010783780, 2021567560]

約数ペア:

[(1, 2021567560), (2, 1010783780), (4, 505391890), (5, 404313512), (8, 252695945), (10, 202156756), (20, 101078378), (40, 50539189), (1171, 1726360), (2342, 863180), (4684, 431590), (5855, 345272), (9368, 215795), (11710, 172636), (23420, 86318), (43159, 46840)]