6619720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2713}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 15144120

約数和(自身を除く): 8524400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2713, 5426, 10852, 13565, 21704, 27130, 54260, 108520, 165493, 330986, 661972, 827465, 1323944, 1654930, 3309860, 6619720]

約数ペア:

[(1, 6619720), (2, 3309860), (4, 1654930), (5, 1323944), (8, 827465), (10, 661972), (20, 330986), (40, 165493), (61, 108520), (122, 54260), (244, 27130), (305, 21704), (488, 13565), (610, 10852), (1220, 5426), (2440, 2713)]