220136020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{65129}}^1$

素因数の和:65164

約数の個数: 36

約数和(自身を含む): 500589180

約数和(自身を除く): 280453160

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 65129, 130258, 260516, 325645, 651290, 846677, 1302580, 1693354, 3386708, 4233385, 8466770, 11006801, 16933540, 22013602, 44027204, 55034005, 110068010, 220136020]

約数ペア:

[(1, 220136020), (2, 110068010), (4, 55034005), (5, 44027204), (10, 22013602), (13, 16933540), (20, 11006801), (26, 8466770), (52, 4233385), (65, 3386708), (130, 1693354), (169, 1302580), (260, 846677), (338, 651290), (676, 325645), (845, 260516), (1690, 130258), (3380, 65129)]