40577560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12841}}^1$

素因数の和:12931

約数の個数: 32

約数和(自身を含む): 92462400

約数和(自身を除く): 51884840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12841, 25682, 51364, 64205, 102728, 128410, 256820, 513640, 1014439, 2028878, 4057756, 5072195, 8115512, 10144390, 20288780, 40577560]

約数ペア:

[(1, 40577560), (2, 20288780), (4, 10144390), (5, 8115512), (8, 5072195), (10, 4057756), (20, 2028878), (40, 1014439), (79, 513640), (158, 256820), (316, 128410), (395, 102728), (632, 64205), (790, 51364), (1580, 25682), (3160, 12841)]