11939720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22961}}^1$

素因数の和:22985

約数の個数: 32

約数和(自身を含む): 28932120

約数和(自身を除く): 16992400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 22961, 45922, 91844, 114805, 183688, 229610, 298493, 459220, 596986, 918440, 1193972, 1492465, 2387944, 2984930, 5969860, 11939720]

約数ペア:

[(1, 11939720), (2, 5969860), (4, 2984930), (5, 2387944), (8, 1492465), (10, 1193972), (13, 918440), (20, 596986), (26, 459220), (40, 298493), (52, 229610), (65, 183688), (104, 114805), (130, 91844), (260, 45922), (520, 22961)]