5111440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 11983608

約数和(自身を除く): 6872168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 353, 362, 706, 724, 905, 1412, 1448, 1765, 1810, 2824, 2896, 3530, 3620, 5648, 7060, 7240, 14120, 14480, 28240, 63893, 127786, 255572, 319465, 511144, 638930, 1022288, 1277860, 2555720, 5111440]

約数ペア:

[(1, 5111440), (2, 2555720), (4, 1277860), (5, 1022288), (8, 638930), (10, 511144), (16, 319465), (20, 255572), (40, 127786), (80, 63893), (181, 28240), (353, 14480), (362, 14120), (706, 7240), (724, 7060), (905, 5648), (1412, 3620), (1448, 3530), (1765, 2896), (1810, 2824)]