123815920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35993}}^1$

素因数の和:36049

約数の個数: 40

約数和(自身を含む): 294574896

約数和(自身を除く): 170758976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 35993, 71986, 143972, 179965, 287944, 359930, 575888, 719860, 1439720, 1547699, 2879440, 3095398, 6190796, 7738495, 12381592, 15476990, 24763184, 30953980, 61907960, 123815920]

約数ペア:

[(1, 123815920), (2, 61907960), (4, 30953980), (5, 24763184), (8, 15476990), (10, 12381592), (16, 7738495), (20, 6190796), (40, 3095398), (43, 2879440), (80, 1547699), (86, 1439720), (172, 719860), (215, 575888), (344, 359930), (430, 287944), (688, 179965), (860, 143972), (1720, 71986), (3440, 35993)]