80870785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 108490752

約数和(自身を除く): 27619967

約数列:

[1, 5, 17, 31, 47, 85, 155, 235, 527, 653, 799, 1457, 2635, 3265, 3995, 7285, 11101, 20243, 24769, 30691, 55505, 101215, 123845, 153455, 344131, 521747, 951421, 1720655, 2608735, 4757105, 16174157, 80870785]

約数ペア:

[(1, 80870785), (5, 16174157), (17, 4757105), (31, 2608735), (47, 1720655), (85, 951421), (155, 521747), (235, 344131), (527, 153455), (653, 123845), (799, 101215), (1457, 55505), (2635, 30691), (3265, 24769), (3995, 20243), (7285, 11101)]