196820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 445704

約数和(自身を除く): 248884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 757, 1514, 3028, 3785, 7570, 9841, 15140, 19682, 39364, 49205, 98410, 196820]

約数ペア:

[(1, 196820), (2, 98410), (4, 49205), (5, 39364), (10, 19682), (13, 15140), (20, 9841), (26, 7570), (52, 3785), (65, 3028), (130, 1514), (260, 757)]