31324040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71191}}^1$

素因数の和:71213

約数の個数: 32

約数和(自身を含む): 76887360

約数和(自身を除く): 45563320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71191, 142382, 284764, 355955, 569528, 711910, 783101, 1423820, 1566202, 2847640, 3132404, 3915505, 6264808, 7831010, 15662020, 31324040]

約数ペア:

[(1, 31324040), (2, 15662020), (4, 7831010), (5, 6264808), (8, 3915505), (10, 3132404), (11, 2847640), (20, 1566202), (22, 1423820), (40, 783101), (44, 711910), (55, 569528), (88, 355955), (110, 284764), (220, 142382), (440, 71191)]