520012160

素因数分解:

$2^7\times 5^1\times {\mathrm{812519}}^1$

素因数の和:812538

約数の個数: 32

約数和(自身を含む): 1243155600

約数和(自身を除く): 723143440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 812519, 1625038, 3250076, 4062595, 6500152, 8125190, 13000304, 16250380, 26000608, 32500760, 52001216, 65001520, 104002432, 130003040, 260006080, 520012160]

約数ペア:

[(1, 520012160), (2, 260006080), (4, 130003040), (5, 104002432), (8, 65001520), (10, 52001216), (16, 32500760), (20, 26000608), (32, 16250380), (40, 13000304), (64, 8125190), (80, 6500152), (128, 4062595), (160, 3250076), (320, 1625038), (640, 812519)]