81274160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92357}}^1$

素因数の和:92381

約数の個数: 40

約数和(自身を含む): 206143056

約数和(自身を除く): 124868896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92357, 184714, 369428, 461785, 738856, 923570, 1015927, 1477712, 1847140, 2031854, 3694280, 4063708, 5079635, 7388560, 8127416, 10159270, 16254832, 20318540, 40637080, 81274160]

約数ペア:

[(1, 81274160), (2, 40637080), (4, 20318540), (5, 16254832), (8, 10159270), (10, 8127416), (11, 7388560), (16, 5079635), (20, 4063708), (22, 3694280), (40, 2031854), (44, 1847140), (55, 1477712), (80, 1015927), (88, 923570), (110, 738856), (176, 461785), (220, 369428), (440, 184714), (880, 92357)]