39996968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7451}}^1$

素因数の和:7529

約数の個数: 32

約数和(自身を含む): 83164320

約数和(自身を除く): 43167352

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 7451, 14902, 29804, 59608, 81961, 163922, 327844, 454511, 655688, 909022, 1818044, 3636088, 4999621, 9999242, 19998484, 39996968]

約数ペア:

[(1, 39996968), (2, 19998484), (4, 9999242), (8, 4999621), (11, 3636088), (22, 1818044), (44, 909022), (61, 655688), (88, 454511), (122, 327844), (244, 163922), (488, 81961), (671, 59608), (1342, 29804), (2684, 14902), (5368, 7451)]