85344860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137653}}^1$

素因数の和:137693

約数の個数: 24

約数和(自身を含む): 185006976

約数和(自身を除く): 99662116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 137653, 275306, 550612, 688265, 1376530, 2753060, 4267243, 8534486, 17068972, 21336215, 42672430, 85344860]

約数ペア:

[(1, 85344860), (2, 42672430), (4, 21336215), (5, 17068972), (10, 8534486), (20, 4267243), (31, 2753060), (62, 1376530), (124, 688265), (155, 550612), (310, 275306), (620, 137653)]