56821780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149531}}^1$

素因数の和:149559

約数の個数: 24

約数和(自身を含む): 125606880

約数和(自身を除く): 68785100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 149531, 299062, 598124, 747655, 1495310, 2841089, 2990620, 5682178, 11364356, 14205445, 28410890, 56821780]

約数ペア:

[(1, 56821780), (2, 28410890), (4, 14205445), (5, 11364356), (10, 5682178), (19, 2990620), (20, 2841089), (38, 1495310), (76, 747655), (95, 598124), (190, 299062), (380, 149531)]