15239440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2767

約数の個数: 40

約数和(自身を含む): 35944128

約数和(自身を除く): 20704688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2683, 2840, 5366, 5680, 10732, 13415, 21464, 26830, 42928, 53660, 107320, 190493, 214640, 380986, 761972, 952465, 1523944, 1904930, 3047888, 3809860, 7619720, 15239440]

約数ペア:

[(1, 15239440), (2, 7619720), (4, 3809860), (5, 3047888), (8, 1904930), (10, 1523944), (16, 952465), (20, 761972), (40, 380986), (71, 214640), (80, 190493), (142, 107320), (284, 53660), (355, 42928), (568, 26830), (710, 21464), (1136, 13415), (1420, 10732), (2683, 5680), (2840, 5366)]