71734840

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6337}}^1$

素因数の和:6631

約数の個数: 32

約数和(自身を含む): 161999280

約数和(自身を除く): 90264440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6337, 11320, 12674, 25348, 31685, 50696, 63370, 126740, 253480, 1793371, 3586742, 7173484, 8966855, 14346968, 17933710, 35867420, 71734840]

約数ペア:

[(1, 71734840), (2, 35867420), (4, 17933710), (5, 14346968), (8, 8966855), (10, 7173484), (20, 3586742), (40, 1793371), (283, 253480), (566, 126740), (1132, 63370), (1415, 50696), (2264, 31685), (2830, 25348), (5660, 12674), (6337, 11320)]