17962017320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{70351}}^1$

素因数の和:70866

約数の個数: 64

約数和(自身を含む): 43612611840

約数和(自身を除く): 25650594520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 491, 520, 982, 1964, 2455, 3928, 4910, 6383, 9820, 12766, 19640, 25532, 31915, 51064, 63830, 70351, 127660, 140702, 255320, 281404, 351755, 562808, 703510, 914563, 1407020, 1829126, 2814040, 3658252, 4572815, 7316504, 9145630, 18291260, 34542341, 36582520, 69084682, 138169364, 172711705, 276338728, 345423410, 449050433, 690846820, 898100866, 1381693640, 1796201732, 2245252165, 3592403464, 4490504330, 8981008660, 17962017320]

約数ペア:

[(1, 17962017320), (2, 8981008660), (4, 4490504330), (5, 3592403464), (8, 2245252165), (10, 1796201732), (13, 1381693640), (20, 898100866), (26, 690846820), (40, 449050433), (52, 345423410), (65, 276338728), (104, 172711705), (130, 138169364), (260, 69084682), (491, 36582520), (520, 34542341), (982, 18291260), (1964, 9145630), (2455, 7316504), (3928, 4572815), (4910, 3658252), (6383, 2814040), (9820, 1829126), (12766, 1407020), (19640, 914563), (25532, 703510), (31915, 562808), (51064, 351755), (63830, 281404), (70351, 255320), (127660, 140702)]