266112080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255877}}^1$

素因数の和:255903

約数の個数: 40

約数和(自身を含む): 666306312

約数和(自身を除く): 400194232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 255877, 511754, 1023508, 1279385, 2047016, 2558770, 3326401, 4094032, 5117540, 6652802, 10235080, 13305604, 16632005, 20470160, 26611208, 33264010, 53222416, 66528020, 133056040, 266112080]

約数ペア:

[(1, 266112080), (2, 133056040), (4, 66528020), (5, 53222416), (8, 33264010), (10, 26611208), (13, 20470160), (16, 16632005), (20, 13305604), (26, 10235080), (40, 6652802), (52, 5117540), (65, 4094032), (80, 3326401), (104, 2558770), (130, 2047016), (208, 1279385), (260, 1023508), (520, 511754), (1040, 255877)]