203957240

素因数分解:

$2^3\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{2797}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 459319680

約数和(自身を除く): 255362440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1823, 2797, 3646, 5594, 7292, 9115, 11188, 13985, 14584, 18230, 22376, 27970, 36460, 55940, 72920, 111880, 5098931, 10197862, 20395724, 25494655, 40791448, 50989310, 101978620, 203957240]

約数ペア:

[(1, 203957240), (2, 101978620), (4, 50989310), (5, 40791448), (8, 25494655), (10, 20395724), (20, 10197862), (40, 5098931), (1823, 111880), (2797, 72920), (3646, 55940), (5594, 36460), (7292, 27970), (9115, 22376), (11188, 18230), (13985, 14584)]