8145340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 19841472

約数和(自身を除く): 11696132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 797, 1022, 1460, 1594, 2044, 2555, 3188, 3985, 5110, 5579, 7970, 10220, 11158, 15940, 22316, 27895, 55790, 58181, 111580, 116362, 232724, 290905, 407267, 581810, 814534, 1163620, 1629068, 2036335, 4072670, 8145340]

約数ペア:

[(1, 8145340), (2, 4072670), (4, 2036335), (5, 1629068), (7, 1163620), (10, 814534), (14, 581810), (20, 407267), (28, 290905), (35, 232724), (70, 116362), (73, 111580), (140, 58181), (146, 55790), (292, 27895), (365, 22316), (511, 15940), (730, 11158), (797, 10220), (1022, 7970), (1460, 5579), (1594, 5110), (2044, 3985), (2555, 3188)]