2009267560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{564401}}^1$

素因数の和:564501

約数の個数: 32

約数和(自身を含む): 4571656200

約数和(自身を除く): 2562388640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 564401, 1128802, 2257604, 2822005, 4515208, 5644010, 11288020, 22576040, 50231689, 100463378, 200926756, 251158445, 401853512, 502316890, 1004633780, 2009267560]

約数ペア:

[(1, 2009267560), (2, 1004633780), (4, 502316890), (5, 401853512), (8, 251158445), (10, 200926756), (20, 100463378), (40, 50231689), (89, 22576040), (178, 11288020), (356, 5644010), (445, 4515208), (712, 2822005), (890, 2257604), (1780, 1128802), (3560, 564401)]