138160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 352656

約数和(自身を除く): 214496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 314, 440, 628, 785, 880, 1256, 1570, 1727, 2512, 3140, 3454, 6280, 6908, 8635, 12560, 13816, 17270, 27632, 34540, 69080, 138160]

約数ペア:

[(1, 138160), (2, 69080), (4, 34540), (5, 27632), (8, 17270), (10, 13816), (11, 12560), (16, 8635), (20, 6908), (22, 6280), (40, 3454), (44, 3140), (55, 2512), (80, 1727), (88, 1570), (110, 1256), (157, 880), (176, 785), (220, 628), (314, 440)]