64536140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{87211}}^1$

素因数の和:87257

約数の個数: 24

約数和(自身を含む): 139190352

約数和(自身を除く): 74654212

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 87211, 174422, 348844, 436055, 872110, 1744220, 3226807, 6453614, 12907228, 16134035, 32268070, 64536140]

約数ペア:

[(1, 64536140), (2, 32268070), (4, 16134035), (5, 12907228), (10, 6453614), (20, 3226807), (37, 1744220), (74, 872110), (148, 436055), (185, 348844), (370, 174422), (740, 87211)]