79775540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306829}}^1$

素因数の和:306851

約数の個数: 24

約数和(自身を含む): 180416040

約数和(自身を除く): 100640500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306829, 613658, 1227316, 1534145, 3068290, 3988777, 6136580, 7977554, 15955108, 19943885, 39887770, 79775540]

約数ペア:

[(1, 79775540), (2, 39887770), (4, 19943885), (5, 15955108), (10, 7977554), (13, 6136580), (20, 3988777), (26, 3068290), (52, 1534145), (65, 1227316), (130, 613658), (260, 306829)]