262319720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504461}}^1$

素因数の和:504485

約数の個数: 32

約数和(自身を含む): 635622120

約数和(自身を除く): 373302400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 504461, 1008922, 2017844, 2522305, 4035688, 5044610, 6557993, 10089220, 13115986, 20178440, 26231972, 32789965, 52463944, 65579930, 131159860, 262319720]

約数ペア:

[(1, 262319720), (2, 131159860), (4, 65579930), (5, 52463944), (8, 32789965), (10, 26231972), (13, 20178440), (20, 13115986), (26, 10089220), (40, 6557993), (52, 5044610), (65, 4035688), (104, 2522305), (130, 2017844), (260, 1008922), (520, 504461)]