1296758840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2493767}}^1$

素因数の和:2493791

約数の個数: 32

約数和(自身を含む): 3142147680

約数和(自身を除く): 1845388840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2493767, 4987534, 9975068, 12468835, 19950136, 24937670, 32418971, 49875340, 64837942, 99750680, 129675884, 162094855, 259351768, 324189710, 648379420, 1296758840]

約数ペア:

[(1, 1296758840), (2, 648379420), (4, 324189710), (5, 259351768), (8, 162094855), (10, 129675884), (13, 99750680), (20, 64837942), (26, 49875340), (40, 32418971), (52, 24937670), (65, 19950136), (104, 12468835), (130, 9975068), (260, 4987534), (520, 2493767)]