27200080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7963

約数の個数: 40

約数和(自身を含む): 64719072

約数和(自身を除く): 37518992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7907, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 316280, 340001, 632560, 680002, 1360004, 1700005, 2720008, 3400010, 5440016, 6800020, 13600040, 27200080]

約数ペア:

[(1, 27200080), (2, 13600040), (4, 6800020), (5, 5440016), (8, 3400010), (10, 2720008), (16, 1700005), (20, 1360004), (40, 680002), (43, 632560), (80, 340001), (86, 316280), (172, 158140), (215, 126512), (344, 79070), (430, 63256), (688, 39535), (860, 31628), (1720, 15814), (3440, 7907)]