12710980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 27866160

約数和(自身を除く): 15155180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 193, 356, 370, 386, 445, 740, 772, 890, 965, 1780, 1930, 3293, 3860, 6586, 7141, 13172, 14282, 16465, 17177, 28564, 32930, 34354, 35705, 65860, 68708, 71410, 85885, 142820, 171770, 343540, 635549, 1271098, 2542196, 3177745, 6355490, 12710980]

約数ペア:

[(1, 12710980), (2, 6355490), (4, 3177745), (5, 2542196), (10, 1271098), (20, 635549), (37, 343540), (74, 171770), (89, 142820), (148, 85885), (178, 71410), (185, 68708), (193, 65860), (356, 35705), (370, 34354), (386, 32930), (445, 28564), (740, 17177), (772, 16465), (890, 14282), (965, 13172), (1780, 7141), (1930, 6586), (3293, 3860)]