53804140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206939}}^1$

素因数の和:206961

約数の個数: 24

約数和(自身を含む): 121680720

約数和(自身を除く): 67876580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 206939, 413878, 827756, 1034695, 2069390, 2690207, 4138780, 5380414, 10760828, 13451035, 26902070, 53804140]

約数ペア:

[(1, 53804140), (2, 26902070), (4, 13451035), (5, 10760828), (10, 5380414), (13, 4138780), (20, 2690207), (26, 2069390), (52, 1034695), (65, 827756), (130, 413878), (260, 206939)]