40987420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^2\times {\mathrm{179}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 87370920

約数和(自身を除く): 46383500

約数列:

[1, 2, 4, 5, 10, 20, 107, 179, 214, 358, 428, 535, 716, 895, 1070, 1790, 2140, 3580, 11449, 19153, 22898, 38306, 45796, 57245, 76612, 95765, 114490, 191530, 228980, 383060, 2049371, 4098742, 8197484, 10246855, 20493710, 40987420]

約数ペア:

[(1, 40987420), (2, 20493710), (4, 10246855), (5, 8197484), (10, 4098742), (20, 2049371), (107, 383060), (179, 228980), (214, 191530), (358, 114490), (428, 95765), (535, 76612), (716, 57245), (895, 45796), (1070, 38306), (1790, 22898), (2140, 19153), (3580, 11449)]