16394480

素因数分解:

$2^4\times 5^1\times {\mathrm{204931}}^1$

素因数の和:204944

約数の個数: 20

約数和(自身を含む): 38117352

約数和(自身を除く): 21722872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204931, 409862, 819724, 1024655, 1639448, 2049310, 3278896, 4098620, 8197240, 16394480]

約数ペア:

[(1, 16394480), (2, 8197240), (4, 4098620), (5, 3278896), (8, 2049310), (10, 1639448), (16, 1024655), (20, 819724), (40, 409862), (80, 204931)]