12843920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5223

約数の個数: 40

約数和(自身を含む): 30831360

約数和(自身を除く): 17987440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5179, 10358, 20716, 25895, 41432, 51790, 82864, 103580, 160549, 207160, 321098, 414320, 642196, 802745, 1284392, 1605490, 2568784, 3210980, 6421960, 12843920]

約数ペア:

[(1, 12843920), (2, 6421960), (4, 3210980), (5, 2568784), (8, 1605490), (10, 1284392), (16, 802745), (20, 642196), (31, 414320), (40, 321098), (62, 207160), (80, 160549), (124, 103580), (155, 82864), (248, 51790), (310, 41432), (496, 25895), (620, 20716), (1240, 10358), (2480, 5179)]