57004820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 122707200

約数和(自身を除く): 65702380

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 331, 395, 436, 545, 662, 790, 1090, 1324, 1580, 1655, 2180, 3310, 6620, 8611, 17222, 26149, 34444, 36079, 43055, 52298, 72158, 86110, 104596, 130745, 144316, 172220, 180395, 261490, 360790, 522980, 721580, 2850241, 5700482, 11400964, 14251205, 28502410, 57004820]

約数ペア:

[(1, 57004820), (2, 28502410), (4, 14251205), (5, 11400964), (10, 5700482), (20, 2850241), (79, 721580), (109, 522980), (158, 360790), (218, 261490), (316, 180395), (331, 172220), (395, 144316), (436, 130745), (545, 104596), (662, 86110), (790, 72158), (1090, 52298), (1324, 43055), (1580, 36079), (1655, 34444), (2180, 26149), (3310, 17222), (6620, 8611)]