66528980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475207}}^1$

素因数の和:475223

約数の個数: 24

約数和(自身を含む): 159669888

約数和(自身を除く): 93140908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475207, 950414, 1900828, 2376035, 3326449, 4752070, 6652898, 9504140, 13305796, 16632245, 33264490, 66528980]

約数ペア:

[(1, 66528980), (2, 33264490), (4, 16632245), (5, 13305796), (7, 9504140), (10, 6652898), (14, 4752070), (20, 3326449), (28, 2376035), (35, 1900828), (70, 950414), (140, 475207)]