79600820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306157}}^1$

素因数の和:306179

約数の個数: 24

約数和(自身を含む): 180020904

約数和(自身を除く): 100420084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306157, 612314, 1224628, 1530785, 3061570, 3980041, 6123140, 7960082, 15920164, 19900205, 39800410, 79600820]

約数ペア:

[(1, 79600820), (2, 39800410), (4, 19900205), (5, 15920164), (10, 7960082), (13, 6123140), (20, 3980041), (26, 3061570), (52, 1530785), (65, 1224628), (130, 612314), (260, 306157)]