27889480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4441}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 63165240

約数和(自身を除く): 35275760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4441, 6280, 8882, 17764, 22205, 35528, 44410, 88820, 177640, 697237, 1394474, 2788948, 3486185, 5577896, 6972370, 13944740, 27889480]

約数ペア:

[(1, 27889480), (2, 13944740), (4, 6972370), (5, 5577896), (8, 3486185), (10, 2788948), (20, 1394474), (40, 697237), (157, 177640), (314, 88820), (628, 44410), (785, 35528), (1256, 22205), (1570, 17764), (3140, 8882), (4441, 6280)]