28369840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6691}}^1$

素因数の和:6757

約数の個数: 40

約数和(自身を含む): 67214448

約数和(自身を除く): 38844608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 6691, 13382, 26764, 33455, 53528, 66910, 107056, 133820, 267640, 354623, 535280, 709246, 1418492, 1773115, 2836984, 3546230, 5673968, 7092460, 14184920, 28369840]

約数ペア:

[(1, 28369840), (2, 14184920), (4, 7092460), (5, 5673968), (8, 3546230), (10, 2836984), (16, 1773115), (20, 1418492), (40, 709246), (53, 535280), (80, 354623), (106, 267640), (212, 133820), (265, 107056), (424, 66910), (530, 53528), (848, 33455), (1060, 26764), (2120, 13382), (4240, 6691)]