1307507720

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{51803}}^1$

素因数の和:52445

約数の個数: 32

約数和(自身を含む): 2946611520

約数和(自身を除く): 1639103800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 51803, 103606, 207212, 259015, 414424, 518030, 1036060, 2072120, 32687693, 65375386, 130750772, 163438465, 261501544, 326876930, 653753860, 1307507720]

約数ペア:

[(1, 1307507720), (2, 653753860), (4, 326876930), (5, 261501544), (8, 163438465), (10, 130750772), (20, 65375386), (40, 32687693), (631, 2072120), (1262, 1036060), (2524, 518030), (3155, 414424), (5048, 259015), (6310, 207212), (12620, 103606), (25240, 51803)]