38578960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{68891}}^1$

素因数の和:68911

約数の個数: 40

約数和(自身を含む): 102511296

約数和(自身を除く): 63932336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 68891, 137782, 275564, 344455, 482237, 551128, 688910, 964474, 1102256, 1377820, 1928948, 2411185, 2755640, 3857896, 4822370, 5511280, 7715792, 9644740, 19289480, 38578960]

約数ペア:

[(1, 38578960), (2, 19289480), (4, 9644740), (5, 7715792), (7, 5511280), (8, 4822370), (10, 3857896), (14, 2755640), (16, 2411185), (20, 1928948), (28, 1377820), (35, 1102256), (40, 964474), (56, 688910), (70, 551128), (80, 482237), (112, 344455), (140, 275564), (280, 137782), (560, 68891)]