5135920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 12226896

約数和(自身を除く): 7090976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1493, 1720, 2986, 3440, 5972, 7465, 11944, 14930, 23888, 29860, 59720, 64199, 119440, 128398, 256796, 320995, 513592, 641990, 1027184, 1283980, 2567960, 5135920]

約数ペア:

[(1, 5135920), (2, 2567960), (4, 1283980), (5, 1027184), (8, 641990), (10, 513592), (16, 320995), (20, 256796), (40, 128398), (43, 119440), (80, 64199), (86, 59720), (172, 29860), (215, 23888), (344, 14930), (430, 11944), (688, 7465), (860, 5972), (1493, 3440), (1720, 2986)]