27155980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22259}}^1$

素因数の和:22329

約数の個数: 24

約数和(自身を含む): 57965040

約数和(自身を除く): 30809060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22259, 44518, 89036, 111295, 222590, 445180, 1357799, 2715598, 5431196, 6788995, 13577990, 27155980]

約数ペア:

[(1, 27155980), (2, 13577990), (4, 6788995), (5, 5431196), (10, 2715598), (20, 1357799), (61, 445180), (122, 222590), (244, 111295), (305, 89036), (610, 44518), (1220, 22259)]