85142480

素因数分解:

$2^4\times 5^1\times {\mathrm{1064281}}^1$

素因数の和:1064294

約数の個数: 20

約数和(自身を含む): 197956452

約数和(自身を除く): 112813972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1064281, 2128562, 4257124, 5321405, 8514248, 10642810, 17028496, 21285620, 42571240, 85142480]

約数ペア:

[(1, 85142480), (2, 42571240), (4, 21285620), (5, 17028496), (8, 10642810), (10, 8514248), (16, 5321405), (20, 4257124), (40, 2128562), (80, 1064281)]