1949661640

素因数分解:

$2^3\times 5^1\times {\mathrm{48741541}}^1$

素因数の和:48741552

約数の個数: 16

約数和(自身を含む): 4386738780

約数和(自身を除く): 2437077140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 48741541, 97483082, 194966164, 243707705, 389932328, 487415410, 974830820, 1949661640]

約数ペア:

[(1, 1949661640), (2, 974830820), (4, 487415410), (5, 389932328), (8, 243707705), (10, 194966164), (20, 97483082), (40, 48741541)]