39669890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1549}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 77338800

約数和(自身を除く): 37668910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1549, 1970, 2561, 3098, 5122, 7745, 12805, 15490, 20137, 25610, 40274, 100685, 201370, 305153, 610306, 1525765, 3051530, 3966989, 7933978, 19834945, 39669890]

約数ペア:

[(1, 39669890), (2, 19834945), (5, 7933978), (10, 3966989), (13, 3051530), (26, 1525765), (65, 610306), (130, 305153), (197, 201370), (394, 100685), (985, 40274), (1549, 25610), (1970, 20137), (2561, 15490), (3098, 12805), (5122, 7745)]