255745160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{581239}}^1$

素因数の和:581261

約数の個数: 32

約数和(自身を含む): 627739200

約数和(自身を除く): 371994040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 581239, 1162478, 2324956, 2906195, 4649912, 5812390, 6393629, 11624780, 12787258, 23249560, 25574516, 31968145, 51149032, 63936290, 127872580, 255745160]

約数ペア:

[(1, 255745160), (2, 127872580), (4, 63936290), (5, 51149032), (8, 31968145), (10, 25574516), (11, 23249560), (20, 12787258), (22, 11624780), (40, 6393629), (44, 5812390), (55, 4649912), (88, 2906195), (110, 2324956), (220, 1162478), (440, 581239)]