81950120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{292679}}^1$

素因数の和:292697

約数の個数: 32

約数和(自身を含む): 210729600

約数和(自身を除く): 128779480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 292679, 585358, 1170716, 1463395, 2048753, 2341432, 2926790, 4097506, 5853580, 8195012, 10243765, 11707160, 16390024, 20487530, 40975060, 81950120]

約数ペア:

[(1, 81950120), (2, 40975060), (4, 20487530), (5, 16390024), (7, 11707160), (8, 10243765), (10, 8195012), (14, 5853580), (20, 4097506), (28, 2926790), (35, 2341432), (40, 2048753), (56, 1463395), (70, 1170716), (140, 585358), (280, 292679)]