85031140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137147}}^1$

素因数の和:137187

約数の個数: 24

約数和(自身を含む): 184326912

約数和(自身を除く): 99295772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 137147, 274294, 548588, 685735, 1371470, 2742940, 4251557, 8503114, 17006228, 21257785, 42515570, 85031140]

約数ペア:

[(1, 85031140), (2, 42515570), (4, 21257785), (5, 17006228), (10, 8503114), (20, 4251557), (31, 2742940), (62, 1371470), (124, 685735), (155, 548588), (310, 274294), (620, 137147)]