80325760

素因数分解:

$2^7\times 5^1\times {\mathrm{125509}}^1$

素因数の和:125528

約数の個数: 32

約数和(自身を含む): 192030300

約数和(自身を除く): 111704540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 125509, 251018, 502036, 627545, 1004072, 1255090, 2008144, 2510180, 4016288, 5020360, 8032576, 10040720, 16065152, 20081440, 40162880, 80325760]

約数ペア:

[(1, 80325760), (2, 40162880), (4, 20081440), (5, 16065152), (8, 10040720), (10, 8032576), (16, 5020360), (20, 4016288), (32, 2510180), (40, 2008144), (64, 1255090), (80, 1004072), (128, 627545), (160, 502036), (320, 251018), (640, 125509)]