72007120

素因数分解:

$2^4\times 5^1\times {\mathrm{900089}}^1$

素因数の和:900102

約数の個数: 20

約数和(自身を含む): 167416740

約数和(自身を除く): 95409620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900089, 1800178, 3600356, 4500445, 7200712, 9000890, 14401424, 18001780, 36003560, 72007120]

約数ペア:

[(1, 72007120), (2, 36003560), (4, 18001780), (5, 14401424), (8, 9000890), (10, 7200712), (16, 4500445), (20, 3600356), (40, 1800178), (80, 900089)]