7209680

素因数分解:

$2^4\times 5^1\times {\mathrm{90121}}^1$

素因数の和:90134

約数の個数: 20

約数和(自身を含む): 16762692

約数和(自身を除く): 9553012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90121, 180242, 360484, 450605, 720968, 901210, 1441936, 1802420, 3604840, 7209680]

約数ペア:

[(1, 7209680), (2, 3604840), (4, 1802420), (5, 1441936), (8, 901210), (10, 720968), (16, 450605), (20, 360484), (40, 180242), (80, 90121)]