10080931720

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{399403}}^1$

素因数の和:400045

約数の個数: 32

約数和(自身を含む): 22718099520

約数和(自身を除く): 12637167800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 399403, 798806, 1597612, 1997015, 3195224, 3994030, 7988060, 15976120, 252023293, 504046586, 1008093172, 1260116465, 2016186344, 2520232930, 5040465860, 10080931720]

約数ペア:

[(1, 10080931720), (2, 5040465860), (4, 2520232930), (5, 2016186344), (8, 1260116465), (10, 1008093172), (20, 504046586), (40, 252023293), (631, 15976120), (1262, 7988060), (2524, 3994030), (3155, 3195224), (5048, 1997015), (6310, 1597612), (12620, 798806), (25240, 399403)]