31482440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71551}}^1$

素因数の和:71573

約数の個数: 32

約数和(自身を含む): 77276160

約数和(自身を除く): 45793720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71551, 143102, 286204, 357755, 572408, 715510, 787061, 1431020, 1574122, 2862040, 3148244, 3935305, 6296488, 7870610, 15741220, 31482440]

約数ペア:

[(1, 31482440), (2, 15741220), (4, 7870610), (5, 6296488), (8, 3935305), (10, 3148244), (11, 2862040), (20, 1574122), (22, 1431020), (40, 787061), (44, 715510), (55, 572408), (88, 357755), (110, 286204), (220, 143102), (440, 71551)]