85286980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{63647}}^1$

素因数の和:63723

約数の個数: 24

約数和(自身を含む): 181778688

約数和(自身を除く): 96491708

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 63647, 127294, 254588, 318235, 636470, 1272940, 4264349, 8528698, 17057396, 21321745, 42643490, 85286980]

約数ペア:

[(1, 85286980), (2, 42643490), (4, 21321745), (5, 17057396), (10, 8528698), (20, 4264349), (67, 1272940), (134, 636470), (268, 318235), (335, 254588), (670, 127294), (1340, 63647)]