394610627120

素因数分解:

$2^4\times 5^1\times {\mathrm{4932632839}}^1$

素因数の和:4932632852

約数の個数: 20

約数和(自身を含む): 917469708240

約数和(自身を除く): 522859081120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4932632839, 9865265678, 19730531356, 24663164195, 39461062712, 49326328390, 78922125424, 98652656780, 197305313560, 394610627120]

約数ペア:

[(1, 394610627120), (2, 197305313560), (4, 98652656780), (5, 78922125424), (8, 49326328390), (10, 39461062712), (16, 24663164195), (20, 19730531356), (40, 9865265678), (80, 4932632839)]