4399720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8485

約数の個数: 32

約数和(自身を含む): 10662120

約数和(自身を除く): 6262400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8461, 16922, 33844, 42305, 67688, 84610, 109993, 169220, 219986, 338440, 439972, 549965, 879944, 1099930, 2199860, 4399720]

約数ペア:

[(1, 4399720), (2, 2199860), (4, 1099930), (5, 879944), (8, 549965), (10, 439972), (13, 338440), (20, 219986), (26, 169220), (40, 109993), (52, 84610), (65, 67688), (104, 42305), (130, 33844), (260, 16922), (520, 8461)]