202247240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388937}}^1$

素因数の和:388961

約数の個数: 32

約数和(自身を含む): 490061880

約数和(自身を除く): 287814640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388937, 777874, 1555748, 1944685, 3111496, 3889370, 5056181, 7778740, 10112362, 15557480, 20224724, 25280905, 40449448, 50561810, 101123620, 202247240]

約数ペア:

[(1, 202247240), (2, 101123620), (4, 50561810), (5, 40449448), (8, 25280905), (10, 20224724), (13, 15557480), (20, 10112362), (26, 7778740), (40, 5056181), (52, 3889370), (65, 3111496), (104, 1944685), (130, 1555748), (260, 777874), (520, 388937)]