129589020280

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{3861413}}^1$

素因数の和:3862263

約数の個数: 32

約数和(自身を含む): 291922898400

約数和(自身を除く): 162333878120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 6712, 8390, 16780, 33560, 3861413, 7722826, 15445652, 19307065, 30891304, 38614130, 77228260, 154456520, 3239725507, 6479451014, 12958902028, 16198627535, 25917804056, 32397255070, 64794510140, 129589020280]

約数ペア:

[(1, 129589020280), (2, 64794510140), (4, 32397255070), (5, 25917804056), (8, 16198627535), (10, 12958902028), (20, 6479451014), (40, 3239725507), (839, 154456520), (1678, 77228260), (3356, 38614130), (4195, 30891304), (6712, 19307065), (8390, 15445652), (16780, 7722826), (33560, 3861413)]