6551270480

素因数分解:

$2^4\times 5^1\times {\mathrm{81890881}}^1$

素因数の和:81890894

約数の個数: 20

約数和(自身を含む): 15231704052

約数和(自身を除く): 8680433572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81890881, 163781762, 327563524, 409454405, 655127048, 818908810, 1310254096, 1637817620, 3275635240, 6551270480]

約数ペア:

[(1, 6551270480), (2, 3275635240), (4, 1637817620), (5, 1310254096), (8, 818908810), (10, 655127048), (16, 409454405), (20, 327563524), (40, 163781762), (80, 81890881)]