2018040460

素因数分解:

$2^2\times 5^1\times {\mathrm{4457}}^1\times {\mathrm{22639}}^1$

素因数の和:27105

約数の個数: 24

約数和(自身を含む): 4239023040

約数和(自身を除く): 2220982580

約数列:

[1, 2, 4, 5, 10, 20, 4457, 8914, 17828, 22285, 22639, 44570, 45278, 89140, 90556, 113195, 226390, 452780, 100902023, 201804046, 403608092, 504510115, 1009020230, 2018040460]

約数ペア:

[(1, 2018040460), (2, 1009020230), (4, 504510115), (5, 403608092), (10, 201804046), (20, 100902023), (4457, 452780), (8914, 226390), (17828, 113195), (22285, 90556), (22639, 89140), (44570, 45278)]