1513640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 3456000

約数和(自身を除く): 1942360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 479, 632, 790, 958, 1580, 1916, 2395, 3160, 3832, 4790, 9580, 19160, 37841, 75682, 151364, 189205, 302728, 378410, 756820, 1513640]

約数ペア:

[(1, 1513640), (2, 756820), (4, 378410), (5, 302728), (8, 189205), (10, 151364), (20, 75682), (40, 37841), (79, 19160), (158, 9580), (316, 4790), (395, 3832), (479, 3160), (632, 2395), (790, 1916), (958, 1580)]