28213306480

素因数分解:

$2^4\times 5^1\times {\mathrm{352666331}}^1$

素因数の和:352666344

約数の個数: 20

約数和(自身を含む): 65595937752

約数和(自身を除く): 37382631272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352666331, 705332662, 1410665324, 1763331655, 2821330648, 3526663310, 5642661296, 7053326620, 14106653240, 28213306480]

約数ペア:

[(1, 28213306480), (2, 14106653240), (4, 7053326620), (5, 5642661296), (8, 3526663310), (10, 2821330648), (16, 1763331655), (20, 1410665324), (40, 705332662), (80, 352666331)]