16389760

素因数分解:

$2^7\times 5^1\times {\mathrm{25609}}^1$

素因数の和:25628

約数の個数: 32

約数和(自身を含む): 39183300

約数和(自身を除く): 22793540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25609, 51218, 102436, 128045, 204872, 256090, 409744, 512180, 819488, 1024360, 1638976, 2048720, 3277952, 4097440, 8194880, 16389760]

約数ペア:

[(1, 16389760), (2, 8194880), (4, 4097440), (5, 3277952), (8, 2048720), (10, 1638976), (16, 1024360), (20, 819488), (32, 512180), (40, 409744), (64, 256090), (80, 204872), (128, 128045), (160, 102436), (320, 51218), (640, 25609)]