54502180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 120637440

約数和(自身を除く): 66135260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1087, 1090, 2174, 2180, 2507, 4348, 5014, 5435, 10028, 10870, 12535, 21740, 25001, 25070, 50002, 50140, 100004, 118483, 125005, 236966, 250010, 473932, 500020, 592415, 1184830, 2369660, 2725109, 5450218, 10900436, 13625545, 27251090, 54502180]

約数ペア:

[(1, 54502180), (2, 27251090), (4, 13625545), (5, 10900436), (10, 5450218), (20, 2725109), (23, 2369660), (46, 1184830), (92, 592415), (109, 500020), (115, 473932), (218, 250010), (230, 236966), (436, 125005), (460, 118483), (545, 100004), (1087, 50140), (1090, 50002), (2174, 25070), (2180, 25001), (2507, 21740), (4348, 12535), (5014, 10870), (5435, 10028)]