2016119720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1625903}}^1$

素因数の和:1625945

約数の個数: 32

約数和(自身を含む): 4682603520

約数和(自身を除く): 2666483800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1625903, 3251806, 6503612, 8129515, 13007224, 16259030, 32518060, 50402993, 65036120, 100805986, 201611972, 252014965, 403223944, 504029930, 1008059860, 2016119720]

約数ペア:

[(1, 2016119720), (2, 1008059860), (4, 504029930), (5, 403223944), (8, 252014965), (10, 201611972), (20, 100805986), (31, 65036120), (40, 50402993), (62, 32518060), (124, 16259030), (155, 13007224), (248, 8129515), (310, 6503612), (620, 3251806), (1240, 1625903)]