90894320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103289}}^1$

素因数の和:103313

約数の個数: 40

約数和(自身を含む): 230543280

約数和(自身を除く): 139648960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 103289, 206578, 413156, 516445, 826312, 1032890, 1136179, 1652624, 2065780, 2272358, 4131560, 4544716, 5680895, 8263120, 9089432, 11361790, 18178864, 22723580, 45447160, 90894320]

約数ペア:

[(1, 90894320), (2, 45447160), (4, 22723580), (5, 18178864), (8, 11361790), (10, 9089432), (11, 8263120), (16, 5680895), (20, 4544716), (22, 4131560), (40, 2272358), (44, 2065780), (55, 1652624), (80, 1136179), (88, 1032890), (110, 826312), (176, 516445), (220, 413156), (440, 206578), (880, 103289)]