13026040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3659}}^1$

素因数の和:3759

約数の個数: 32

約数和(自身を含む): 29646000

約数和(自身を除く): 16619960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3659, 7318, 14636, 18295, 29272, 36590, 73180, 146360, 325651, 651302, 1302604, 1628255, 2605208, 3256510, 6513020, 13026040]

約数ペア:

[(1, 13026040), (2, 6513020), (4, 3256510), (5, 2605208), (8, 1628255), (10, 1302604), (20, 651302), (40, 325651), (89, 146360), (178, 73180), (356, 36590), (445, 29272), (712, 18295), (890, 14636), (1780, 7318), (3560, 3659)]