2498985220

素因数分解:

$2^2\times 5^1\times {\mathrm{22111}}^1\times {\mathrm{5651}}^1$

素因数の和:27771

約数の個数: 24

約数和(自身を含む): 5249035008

約数和(自身を除く): 2750049788

約数列:

[1, 2, 4, 5, 10, 20, 5651, 11302, 22111, 22604, 28255, 44222, 56510, 88444, 110555, 113020, 221110, 442220, 124949261, 249898522, 499797044, 624746305, 1249492610, 2498985220]

約数ペア:

[(1, 2498985220), (2, 1249492610), (4, 624746305), (5, 499797044), (10, 249898522), (20, 124949261), (5651, 442220), (11302, 221110), (22111, 113020), (22604, 110555), (28255, 88444), (44222, 56510)]