82874240

素因数分解:

$2^7\times 5^1\times {\mathrm{129491}}^1$

素因数の和:129510

約数の個数: 32

約数和(自身を含む): 198122760

約数和(自身を除く): 115248520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 129491, 258982, 517964, 647455, 1035928, 1294910, 2071856, 2589820, 4143712, 5179640, 8287424, 10359280, 16574848, 20718560, 41437120, 82874240]

約数ペア:

[(1, 82874240), (2, 41437120), (4, 20718560), (5, 16574848), (8, 10359280), (10, 8287424), (16, 5179640), (20, 4143712), (32, 2589820), (40, 2071856), (64, 1294910), (80, 1035928), (128, 647455), (160, 517964), (320, 258982), (640, 129491)]