6551235280

素因数分解:

$2^4\times 5^1\times {\mathrm{81890441}}^1$

素因数の和:81890454

約数の個数: 20

約数和(自身を含む): 15231622212

約数和(自身を除く): 8680386932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81890441, 163780882, 327561764, 409452205, 655123528, 818904410, 1310247056, 1637808820, 3275617640, 6551235280]

約数ペア:

[(1, 6551235280), (2, 3275617640), (4, 1637808820), (5, 1310247056), (8, 818904410), (10, 655123528), (16, 409452205), (20, 327561764), (40, 163780882), (80, 81890441)]