28600520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55001}}^1$

素因数の和:55025

約数の個数: 32

約数和(自身を含む): 69302520

約数和(自身を除く): 40702000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55001, 110002, 220004, 275005, 440008, 550010, 715013, 1100020, 1430026, 2200040, 2860052, 3575065, 5720104, 7150130, 14300260, 28600520]

約数ペア:

[(1, 28600520), (2, 14300260), (4, 7150130), (5, 5720104), (8, 3575065), (10, 2860052), (13, 2200040), (20, 1430026), (26, 1100020), (40, 715013), (52, 550010), (65, 440008), (104, 275005), (130, 220004), (260, 110002), (520, 55001)]