81788080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92941}}^1$

素因数の和:92965

約数の個数: 40

約数和(自身を含む): 207446544

約数和(自身を除く): 125658464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92941, 185882, 371764, 464705, 743528, 929410, 1022351, 1487056, 1858820, 2044702, 3717640, 4089404, 5111755, 7435280, 8178808, 10223510, 16357616, 20447020, 40894040, 81788080]

約数ペア:

[(1, 81788080), (2, 40894040), (4, 20447020), (5, 16357616), (8, 10223510), (10, 8178808), (11, 7435280), (16, 5111755), (20, 4089404), (22, 3717640), (40, 2044702), (44, 1858820), (55, 1487056), (80, 1022351), (88, 929410), (110, 743528), (176, 464705), (220, 371764), (440, 185882), (880, 92941)]