158340520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{304501}}^1$

素因数の和:304525

約数の個数: 32

約数和(自身を含む): 383672520

約数和(自身を除く): 225332000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 304501, 609002, 1218004, 1522505, 2436008, 3045010, 3958513, 6090020, 7917026, 12180040, 15834052, 19792565, 31668104, 39585130, 79170260, 158340520]

約数ペア:

[(1, 158340520), (2, 79170260), (4, 39585130), (5, 31668104), (8, 19792565), (10, 15834052), (13, 12180040), (20, 7917026), (26, 6090020), (40, 3958513), (52, 3045010), (65, 2436008), (104, 1522505), (130, 1218004), (260, 609002), (520, 304501)]