31000840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59617}}^1$

素因数の和:59641

約数の個数: 32

約数和(自身を含む): 75118680

約数和(自身を除く): 44117840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59617, 119234, 238468, 298085, 476936, 596170, 775021, 1192340, 1550042, 2384680, 3100084, 3875105, 6200168, 7750210, 15500420, 31000840]

約数ペア:

[(1, 31000840), (2, 15500420), (4, 7750210), (5, 6200168), (8, 3875105), (10, 3100084), (13, 2384680), (20, 1550042), (26, 1192340), (40, 775021), (52, 596170), (65, 476936), (104, 298085), (130, 238468), (260, 119234), (520, 59617)]