80429240

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6343}}^1$

素因数の和:6671

約数の個数: 32

約数和(自身を含む): 181565280

約数和(自身を除く): 101136040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 6343, 12680, 12686, 25372, 31715, 50744, 63430, 126860, 253720, 2010731, 4021462, 8042924, 10053655, 16085848, 20107310, 40214620, 80429240]

約数ペア:

[(1, 80429240), (2, 40214620), (4, 20107310), (5, 16085848), (8, 10053655), (10, 8042924), (20, 4021462), (40, 2010731), (317, 253720), (634, 126860), (1268, 63430), (1585, 50744), (2536, 31715), (3170, 25372), (6340, 12686), (6343, 12680)]