47960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 118800

約数和(自身を除く): 70840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4360, 4796, 5995, 9592, 11990, 23980, 47960]

約数ペア:

[(1, 47960), (2, 23980), (4, 11990), (5, 9592), (8, 5995), (10, 4796), (11, 4360), (20, 2398), (22, 2180), (40, 1199), (44, 1090), (55, 872), (88, 545), (109, 440), (110, 436), (218, 220)]