26520520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51001}}^1$

素因数の和:51025

約数の個数: 32

約数和(自身を含む): 64262520

約数和(自身を除く): 37742000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 51001, 102002, 204004, 255005, 408008, 510010, 663013, 1020020, 1326026, 2040040, 2652052, 3315065, 5304104, 6630130, 13260260, 26520520]

約数ペア:

[(1, 26520520), (2, 13260260), (4, 6630130), (5, 5304104), (8, 3315065), (10, 2652052), (13, 2040040), (20, 1326026), (26, 1020020), (40, 663013), (52, 510010), (65, 408008), (104, 255005), (130, 204004), (260, 102002), (520, 51001)]