1613241680

素因数分解:

$2^4\times 5^1\times {\mathrm{20165521}}^1$

素因数の和:20165534

約数の個数: 20

約数和(自身を含む): 3750787092

約数和(自身を除く): 2137545412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20165521, 40331042, 80662084, 100827605, 161324168, 201655210, 322648336, 403310420, 806620840, 1613241680]

約数ペア:

[(1, 1613241680), (2, 806620840), (4, 403310420), (5, 322648336), (8, 201655210), (10, 161324168), (16, 100827605), (20, 80662084), (40, 40331042), (80, 20165521)]