85291280

素因数分解:

$2^4\times 5^1\times {\mathrm{1066141}}^1$

素因数の和:1066154

約数の個数: 20

約数和(自身を含む): 198302412

約数和(自身を除く): 113011132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1066141, 2132282, 4264564, 5330705, 8529128, 10661410, 17058256, 21322820, 42645640, 85291280]

約数ペア:

[(1, 85291280), (2, 42645640), (4, 21322820), (5, 17058256), (8, 10661410), (10, 8529128), (16, 5330705), (20, 4264564), (40, 2132282), (80, 1066141)]