28361940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10993}}^1$

素因数の和:11048

約数の個数: 48

約数和(自身を含む): 81267648

約数和(自身を除く): 52905708

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, 10993, 21986, 32979, 43972, 54965, 65958, 109930, 131916, 164895, 219860, 329790, 472699, 659580, 945398, 1418097, 1890796, 2363495, 2836194, 4726990, 5672388, 7090485, 9453980, 14180970, 28361940]

約数ペア:

[(1, 28361940), (2, 14180970), (3, 9453980), (4, 7090485), (5, 5672388), (6, 4726990), (10, 2836194), (12, 2363495), (15, 1890796), (20, 1418097), (30, 945398), (43, 659580), (60, 472699), (86, 329790), (129, 219860), (172, 164895), (215, 131916), (258, 109930), (430, 65958), (516, 54965), (645, 43972), (860, 32979), (1290, 21986), (2580, 10993)]