71311120

素因数分解:

$2^4\times 5^1\times {\mathrm{891389}}^1$

素因数の和:891402

約数の個数: 20

約数和(自身を含む): 165798540

約数和(自身を除く): 94487420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891389, 1782778, 3565556, 4456945, 7131112, 8913890, 14262224, 17827780, 35655560, 71311120]

約数ペア:

[(1, 71311120), (2, 35655560), (4, 17827780), (5, 14262224), (8, 8913890), (10, 7131112), (16, 4456945), (20, 3565556), (40, 1782778), (80, 891389)]