64869860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4153}}^1$

素因数の和:4244

約数の個数: 48

約数和(自身を含む): 150740352

約数和(自身を除く): 85870492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4153, 7810, 8306, 15620, 16612, 20765, 41530, 45683, 83060, 91366, 182732, 228415, 294863, 456830, 589726, 913660, 1179452, 1474315, 2948630, 3243493, 5897260, 6486986, 12973972, 16217465, 32434930, 64869860]

約数ペア:

[(1, 64869860), (2, 32434930), (4, 16217465), (5, 12973972), (10, 6486986), (11, 5897260), (20, 3243493), (22, 2948630), (44, 1474315), (55, 1179452), (71, 913660), (110, 589726), (142, 456830), (220, 294863), (284, 228415), (355, 182732), (710, 91366), (781, 83060), (1420, 45683), (1562, 41530), (3124, 20765), (3905, 16612), (4153, 15620), (7810, 8306)]