225540920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{512593}}^1$

素因数の和:512615

約数の個数: 32

約数和(自身を含む): 553601520

約数和(自身を除く): 328060600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 512593, 1025186, 2050372, 2562965, 4100744, 5125930, 5638523, 10251860, 11277046, 20503720, 22554092, 28192615, 45108184, 56385230, 112770460, 225540920]

約数ペア:

[(1, 225540920), (2, 112770460), (4, 56385230), (5, 45108184), (8, 28192615), (10, 22554092), (11, 20503720), (20, 11277046), (22, 10251860), (40, 5638523), (44, 5125930), (55, 4100744), (88, 2562965), (110, 2050372), (220, 1025186), (440, 512593)]