25791520

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{487}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 61242048

約数和(自身を除く): 35450528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 487, 662, 974, 1324, 1655, 1948, 2435, 2648, 3310, 3896, 4870, 5296, 6620, 7792, 9740, 10592, 13240, 15584, 19480, 26480, 38960, 52960, 77920, 161197, 322394, 644788, 805985, 1289576, 1611970, 2579152, 3223940, 5158304, 6447880, 12895760, 25791520]

約数ペア:

[(1, 25791520), (2, 12895760), (4, 6447880), (5, 5158304), (8, 3223940), (10, 2579152), (16, 1611970), (20, 1289576), (32, 805985), (40, 644788), (80, 322394), (160, 161197), (331, 77920), (487, 52960), (662, 38960), (974, 26480), (1324, 19480), (1655, 15584), (1948, 13240), (2435, 10592), (2648, 9740), (3310, 7792), (3896, 6620), (4870, 5296)]