30720860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{52967}}^1$

素因数の和:53005

約数の個数: 24

約数和(自身を含む): 66739680

約数和(自身を除く): 36018820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 52967, 105934, 211868, 264835, 529670, 1059340, 1536043, 3072086, 6144172, 7680215, 15360430, 30720860]

約数ペア:

[(1, 30720860), (2, 15360430), (4, 7680215), (5, 6144172), (10, 3072086), (20, 1536043), (29, 1059340), (58, 529670), (116, 264835), (145, 211868), (290, 105934), (580, 52967)]