68087920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19793}}^1$

素因数の和:19849

約数の個数: 40

約数和(自身を含む): 161994096

約数和(自身を除く): 93906176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19793, 39586, 79172, 98965, 158344, 197930, 316688, 395860, 791720, 851099, 1583440, 1702198, 3404396, 4255495, 6808792, 8510990, 13617584, 17021980, 34043960, 68087920]

約数ペア:

[(1, 68087920), (2, 34043960), (4, 17021980), (5, 13617584), (8, 8510990), (10, 6808792), (16, 4255495), (20, 3404396), (40, 1702198), (43, 1583440), (80, 851099), (86, 791720), (172, 395860), (215, 316688), (344, 197930), (430, 158344), (688, 98965), (860, 79172), (1720, 39586), (3440, 19793)]