1408979560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{664613}}^1$

素因数の和:664677

約数の個数: 32

約数和(自身を含む): 3230024040

約数和(自身を除く): 1821044480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 664613, 1329226, 2658452, 3323065, 5316904, 6646130, 13292260, 26584520, 35224489, 70448978, 140897956, 176122445, 281795912, 352244890, 704489780, 1408979560]

約数ペア:

[(1, 1408979560), (2, 704489780), (4, 352244890), (5, 281795912), (8, 176122445), (10, 140897956), (20, 70448978), (40, 35224489), (53, 26584520), (106, 13292260), (212, 6646130), (265, 5316904), (424, 3323065), (530, 2658452), (1060, 1329226), (2120, 664613)]