80695280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53089}}^1$

素因数の和:53121

約数の個数: 40

約数和(自身を含む): 197494800

約数和(自身を除く): 116799520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 53089, 106178, 212356, 265445, 424712, 530890, 849424, 1008691, 1061780, 2017382, 2123560, 4034764, 4247120, 5043455, 8069528, 10086910, 16139056, 20173820, 40347640, 80695280]

約数ペア:

[(1, 80695280), (2, 40347640), (4, 20173820), (5, 16139056), (8, 10086910), (10, 8069528), (16, 5043455), (19, 4247120), (20, 4034764), (38, 2123560), (40, 2017382), (76, 1061780), (80, 1008691), (95, 849424), (152, 530890), (190, 424712), (304, 265445), (380, 212356), (760, 106178), (1520, 53089)]