201857240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388187}}^1$

素因数の和:388211

約数の個数: 32

約数和(自身を含む): 489116880

約数和(自身を除く): 287259640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388187, 776374, 1552748, 1940935, 3105496, 3881870, 5046431, 7763740, 10092862, 15527480, 20185724, 25232155, 40371448, 50464310, 100928620, 201857240]

約数ペア:

[(1, 201857240), (2, 100928620), (4, 50464310), (5, 40371448), (8, 25232155), (10, 20185724), (13, 15527480), (20, 10092862), (26, 7763740), (40, 5046431), (52, 3881870), (65, 3105496), (104, 1940935), (130, 1552748), (260, 776374), (520, 388187)]