51293580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65761}}^1$

素因数の和:65786

約数の個数: 48

約数和(自身を含む): 154672224

約数和(自身を除く): 103378644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65761, 131522, 197283, 263044, 328805, 394566, 657610, 789132, 854893, 986415, 1315220, 1709786, 1972830, 2564679, 3419572, 3945660, 4274465, 5129358, 8548930, 10258716, 12823395, 17097860, 25646790, 51293580]

約数ペア:

[(1, 51293580), (2, 25646790), (3, 17097860), (4, 12823395), (5, 10258716), (6, 8548930), (10, 5129358), (12, 4274465), (13, 3945660), (15, 3419572), (20, 2564679), (26, 1972830), (30, 1709786), (39, 1315220), (52, 986415), (60, 854893), (65, 789132), (78, 657610), (130, 394566), (156, 328805), (195, 263044), (260, 197283), (390, 131522), (780, 65761)]