51027990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{130841}}^1$

素因数の和:130864

約数の個数: 32

約数和(自身を含む): 131888736

約数和(自身を除く): 80860746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 130841, 261682, 392523, 654205, 785046, 1308410, 1700933, 1962615, 3401866, 3925230, 5102799, 8504665, 10205598, 17009330, 25513995, 51027990]

約数ペア:

[(1, 51027990), (2, 25513995), (3, 17009330), (5, 10205598), (6, 8504665), (10, 5102799), (13, 3925230), (15, 3401866), (26, 1962615), (30, 1700933), (39, 1308410), (65, 785046), (78, 654205), (130, 392523), (195, 261682), (390, 130841)]