140186440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{11197}}^1$

素因数の和:11521

約数の個数: 32

約数和(自身を含む): 316455480

約数和(自身を除く): 176269040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 11197, 12520, 22394, 44788, 55985, 89576, 111970, 223940, 447880, 3504661, 7009322, 14018644, 17523305, 28037288, 35046610, 70093220, 140186440]

約数ペア:

[(1, 140186440), (2, 70093220), (4, 35046610), (5, 28037288), (8, 17523305), (10, 14018644), (20, 7009322), (40, 3504661), (313, 447880), (626, 223940), (1252, 111970), (1565, 89576), (2504, 55985), (3130, 44788), (6260, 22394), (11197, 12520)]