49471840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28109}}^1$

素因数の和:28135

約数の個数: 48

約数和(自身を含む): 127506960

約数和(自身を除く): 78035120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 28109, 56218, 112436, 140545, 224872, 281090, 309199, 449744, 562180, 618398, 899488, 1124360, 1236796, 1545995, 2248720, 2473592, 3091990, 4497440, 4947184, 6183980, 9894368, 12367960, 24735920, 49471840]

約数ペア:

[(1, 49471840), (2, 24735920), (4, 12367960), (5, 9894368), (8, 6183980), (10, 4947184), (11, 4497440), (16, 3091990), (20, 2473592), (22, 2248720), (32, 1545995), (40, 1236796), (44, 1124360), (55, 899488), (80, 618398), (88, 562180), (110, 449744), (160, 309199), (176, 281090), (220, 224872), (352, 140545), (440, 112436), (880, 56218), (1760, 28109)]