25783360

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:623

約数の個数: 56

約数和(自身を含む): 61859160

約数和(自身を除く): 36075800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 409, 788, 818, 985, 1576, 1636, 1970, 2045, 3152, 3272, 3940, 4090, 6304, 6544, 7880, 8180, 12608, 13088, 15760, 16360, 26176, 31520, 32720, 63040, 65440, 80573, 130880, 161146, 322292, 402865, 644584, 805730, 1289168, 1611460, 2578336, 3222920, 5156672, 6445840, 12891680, 25783360]

約数ペア:

[(1, 25783360), (2, 12891680), (4, 6445840), (5, 5156672), (8, 3222920), (10, 2578336), (16, 1611460), (20, 1289168), (32, 805730), (40, 644584), (64, 402865), (80, 322292), (160, 161146), (197, 130880), (320, 80573), (394, 65440), (409, 63040), (788, 32720), (818, 31520), (985, 26176), (1576, 16360), (1636, 15760), (1970, 13088), (2045, 12608), (3152, 8180), (3272, 7880), (3940, 6544), (4090, 6304)]