220171160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{500389}}^1$

素因数の和:500411

約数の個数: 32

約数和(自身を含む): 540421200

約数和(自身を除く): 320250040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 500389, 1000778, 2001556, 2501945, 4003112, 5003890, 5504279, 10007780, 11008558, 20015560, 22017116, 27521395, 44034232, 55042790, 110085580, 220171160]

約数ペア:

[(1, 220171160), (2, 110085580), (4, 55042790), (5, 44034232), (8, 27521395), (10, 22017116), (11, 20015560), (20, 11008558), (22, 10007780), (40, 5504279), (44, 5003890), (55, 4003112), (88, 2501945), (110, 2001556), (220, 1000778), (440, 500389)]