72635588720

素因数分解:

$2^4\times 5^1\times {\mathrm{907944859}}^1$

素因数の和:907944872

約数の個数: 20

約数和(自身を含む): 168877743960

約数和(自身を除く): 96242155240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907944859, 1815889718, 3631779436, 4539724295, 7263558872, 9079448590, 14527117744, 18158897180, 36317794360, 72635588720]

約数ペア:

[(1, 72635588720), (2, 36317794360), (4, 18158897180), (5, 14527117744), (8, 9079448590), (10, 7263558872), (16, 4539724295), (20, 3631779436), (40, 1815889718), (80, 907944859)]