28826840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102953}}^1$

素因数の和:102971

約数の個数: 32

約数和(自身を含む): 74126880

約数和(自身を除く): 45300040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102953, 205906, 411812, 514765, 720671, 823624, 1029530, 1441342, 2059060, 2882684, 3603355, 4118120, 5765368, 7206710, 14413420, 28826840]

約数ペア:

[(1, 28826840), (2, 14413420), (4, 7206710), (5, 5765368), (7, 4118120), (8, 3603355), (10, 2882684), (14, 2059060), (20, 1441342), (28, 1029530), (35, 823624), (40, 720671), (56, 514765), (70, 411812), (140, 205906), (280, 102953)]