51256860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19867}}^1$

素因数の和:19922

約数の個数: 48

約数和(自身を含む): 146864256

約数和(自身を除く): 95607396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 19867, 39734, 59601, 79468, 99335, 119202, 198670, 238404, 298005, 397340, 596010, 854281, 1192020, 1708562, 2562843, 3417124, 4271405, 5125686, 8542810, 10251372, 12814215, 17085620, 25628430, 51256860]

約数ペア:

[(1, 51256860), (2, 25628430), (3, 17085620), (4, 12814215), (5, 10251372), (6, 8542810), (10, 5125686), (12, 4271405), (15, 3417124), (20, 2562843), (30, 1708562), (43, 1192020), (60, 854281), (86, 596010), (129, 397340), (172, 298005), (215, 238404), (258, 198670), (430, 119202), (516, 99335), (645, 79468), (860, 59601), (1290, 39734), (2580, 19867)]