201825640

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{5563}}^1$

素因数の和:6481

約数の個数: 32

約数和(自身を含む): 454690080

約数和(自身を除く): 252864440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4535, 5563, 7256, 9070, 11126, 18140, 22252, 27815, 36280, 44504, 55630, 111260, 222520, 5045641, 10091282, 20182564, 25228205, 40365128, 50456410, 100912820, 201825640]

約数ペア:

[(1, 201825640), (2, 100912820), (4, 50456410), (5, 40365128), (8, 25228205), (10, 20182564), (20, 10091282), (40, 5045641), (907, 222520), (1814, 111260), (3628, 55630), (4535, 44504), (5563, 36280), (7256, 27815), (9070, 22252), (11126, 18140)]