12716560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3877}}^1$

素因数の和:3931

約数の個数: 40

約数和(自身を含む): 30294936

約数和(自身を除く): 17578376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3877, 7754, 15508, 19385, 31016, 38770, 62032, 77540, 155080, 158957, 310160, 317914, 635828, 794785, 1271656, 1589570, 2543312, 3179140, 6358280, 12716560]

約数ペア:

[(1, 12716560), (2, 6358280), (4, 3179140), (5, 2543312), (8, 1589570), (10, 1271656), (16, 794785), (20, 635828), (40, 317914), (41, 310160), (80, 158957), (82, 155080), (164, 77540), (205, 62032), (328, 38770), (410, 31016), (656, 19385), (820, 15508), (1640, 7754), (3280, 3877)]