26987740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4513}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 63701568

約数和(自身を除く): 36713828

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 4513, 5980, 9026, 18052, 22565, 45130, 58669, 90260, 103799, 117338, 207598, 234676, 293345, 415196, 518995, 586690, 1037990, 1173380, 1349387, 2075980, 2698774, 5397548, 6746935, 13493870, 26987740]

約数ペア:

[(1, 26987740), (2, 13493870), (4, 6746935), (5, 5397548), (10, 2698774), (13, 2075980), (20, 1349387), (23, 1173380), (26, 1037990), (46, 586690), (52, 518995), (65, 415196), (92, 293345), (115, 234676), (130, 207598), (230, 117338), (260, 103799), (299, 90260), (460, 58669), (598, 45130), (1196, 22565), (1495, 18052), (2990, 9026), (4513, 5980)]