49239280

素因数分解:

$2^4\times 5^1\times {\mathrm{615491}}^1$

素因数の和:615504

約数の個数: 20

約数和(自身を含む): 114481512

約数和(自身を除く): 65242232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 615491, 1230982, 2461964, 3077455, 4923928, 6154910, 9847856, 12309820, 24619640, 49239280]

約数ペア:

[(1, 49239280), (2, 24619640), (4, 12309820), (5, 9847856), (8, 6154910), (10, 4923928), (16, 3077455), (20, 2461964), (40, 1230982), (80, 615491)]