72788720

素因数分解:

$2^4\times 5^1\times {\mathrm{909859}}^1$

素因数の和:909872

約数の個数: 20

約数和(自身を含む): 169233960

約数和(自身を除く): 96445240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909859, 1819718, 3639436, 4549295, 7278872, 9098590, 14557744, 18197180, 36394360, 72788720]

約数ペア:

[(1, 72788720), (2, 36394360), (4, 18197180), (5, 14557744), (8, 9098590), (10, 7278872), (16, 4549295), (20, 3639436), (40, 1819718), (80, 909859)]