15757480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1867}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 35641440

約数和(自身を除く): 19883960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1867, 2110, 3734, 4220, 7468, 8440, 9335, 14936, 18670, 37340, 74680, 393937, 787874, 1575748, 1969685, 3151496, 3939370, 7878740, 15757480]

約数ペア:

[(1, 15757480), (2, 7878740), (4, 3939370), (5, 3151496), (8, 1969685), (10, 1575748), (20, 787874), (40, 393937), (211, 74680), (422, 37340), (844, 18670), (1055, 14936), (1688, 9335), (1867, 8440), (2110, 7468), (3734, 4220)]