66704860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32381}}^1$

素因数の和:32493

約数の個数: 24

約数和(自身を含む): 141444576

約数和(自身を除く): 74739716

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 32381, 64762, 129524, 161905, 323810, 647620, 3335243, 6670486, 13340972, 16676215, 33352430, 66704860]

約数ペア:

[(1, 66704860), (2, 33352430), (4, 16676215), (5, 13340972), (10, 6670486), (20, 3335243), (103, 647620), (206, 323810), (412, 161905), (515, 129524), (1030, 64762), (2060, 32381)]