6490840

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 14683680

約数和(自身を除く): 8192840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 617, 1052, 1234, 1315, 2104, 2468, 2630, 3085, 4936, 5260, 6170, 10520, 12340, 24680, 162271, 324542, 649084, 811355, 1298168, 1622710, 3245420, 6490840]

約数ペア:

[(1, 6490840), (2, 3245420), (4, 1622710), (5, 1298168), (8, 811355), (10, 649084), (20, 324542), (40, 162271), (263, 24680), (526, 12340), (617, 10520), (1052, 6170), (1234, 5260), (1315, 4936), (2104, 3085), (2468, 2630)]