81846080

素因数分解:

$2^6\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1019}}^1$

素因数の和:1287

約数の個数: 56

約数和(自身を含む): 195864480

約数和(自身を除く): 114018400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 251, 320, 502, 1004, 1019, 1255, 2008, 2038, 2510, 4016, 4076, 5020, 5095, 8032, 8152, 10040, 10190, 16064, 16304, 20080, 20380, 32608, 40160, 40760, 65216, 80320, 81520, 163040, 255769, 326080, 511538, 1023076, 1278845, 2046152, 2557690, 4092304, 5115380, 8184608, 10230760, 16369216, 20461520, 40923040, 81846080]

約数ペア:

[(1, 81846080), (2, 40923040), (4, 20461520), (5, 16369216), (8, 10230760), (10, 8184608), (16, 5115380), (20, 4092304), (32, 2557690), (40, 2046152), (64, 1278845), (80, 1023076), (160, 511538), (251, 326080), (320, 255769), (502, 163040), (1004, 81520), (1019, 80320), (1255, 65216), (2008, 40760), (2038, 40160), (2510, 32608), (4016, 20380), (4076, 20080), (5020, 16304), (5095, 16064), (8032, 10190), (8152, 10040)]