7199120

素因数分解:

$2^4\times 5^1\times {\mathrm{89989}}^1$

素因数の和:90002

約数の個数: 20

約数和(自身を含む): 16738140

約数和(自身を除く): 9539020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89989, 179978, 359956, 449945, 719912, 899890, 1439824, 1799780, 3599560, 7199120]

約数ペア:

[(1, 7199120), (2, 3599560), (4, 1799780), (5, 1439824), (8, 899890), (10, 719912), (16, 449945), (20, 359956), (40, 179978), (80, 89989)]