39817820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284413}}^1$

素因数の和:284429

約数の個数: 24

約数和(自身を含む): 95563104

約数和(自身を除く): 55745284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284413, 568826, 1137652, 1422065, 1990891, 2844130, 3981782, 5688260, 7963564, 9954455, 19908910, 39817820]

約数ペア:

[(1, 39817820), (2, 19908910), (4, 9954455), (5, 7963564), (7, 5688260), (10, 3981782), (14, 2844130), (20, 1990891), (28, 1422065), (35, 1137652), (70, 568826), (140, 284413)]