80986160

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9461}}^1$

素因数の和:9581

約数の個数: 40

約数和(自身を含む): 190072656

約数和(自身を除く): 109086496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 9461, 18922, 37844, 47305, 75688, 94610, 151376, 189220, 378440, 756880, 1012327, 2024654, 4049308, 5061635, 8098616, 10123270, 16197232, 20246540, 40493080, 80986160]

約数ペア:

[(1, 80986160), (2, 40493080), (4, 20246540), (5, 16197232), (8, 10123270), (10, 8098616), (16, 5061635), (20, 4049308), (40, 2024654), (80, 1012327), (107, 756880), (214, 378440), (428, 189220), (535, 151376), (856, 94610), (1070, 75688), (1712, 47305), (2140, 37844), (4280, 18922), (8560, 9461)]