31514960

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1867}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 73658976

約数和(自身を除く): 42144016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 1867, 2110, 3376, 3734, 4220, 7468, 8440, 9335, 14936, 16880, 18670, 29872, 37340, 74680, 149360, 393937, 787874, 1575748, 1969685, 3151496, 3939370, 6302992, 7878740, 15757480, 31514960]

約数ペア:

[(1, 31514960), (2, 15757480), (4, 7878740), (5, 6302992), (8, 3939370), (10, 3151496), (16, 1969685), (20, 1575748), (40, 787874), (80, 393937), (211, 149360), (422, 74680), (844, 37340), (1055, 29872), (1688, 18670), (1867, 16880), (2110, 14936), (3376, 9335), (3734, 8440), (4220, 7468)]