30821060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19507}}^1$

素因数の和:19595

約数の個数: 24

約数和(自身を含む): 65546880

約数和(自身を除く): 34725820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19507, 39014, 78028, 97535, 195070, 390140, 1541053, 3082106, 6164212, 7705265, 15410530, 30821060]

約数ペア:

[(1, 30821060), (2, 15410530), (4, 7705265), (5, 6164212), (10, 3082106), (20, 1541053), (79, 390140), (158, 195070), (316, 97535), (395, 78028), (790, 39014), (1580, 19507)]