11781380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 26946864

約数和(自身を除く): 15165484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 401, 452, 565, 802, 1130, 1469, 1604, 2005, 2260, 2938, 4010, 5213, 5876, 7345, 8020, 10426, 14690, 20852, 26065, 29380, 45313, 52130, 90626, 104260, 181252, 226565, 453130, 589069, 906260, 1178138, 2356276, 2945345, 5890690, 11781380]

約数ペア:

[(1, 11781380), (2, 5890690), (4, 2945345), (5, 2356276), (10, 1178138), (13, 906260), (20, 589069), (26, 453130), (52, 226565), (65, 181252), (113, 104260), (130, 90626), (226, 52130), (260, 45313), (401, 29380), (452, 26065), (565, 20852), (802, 14690), (1130, 10426), (1469, 8020), (1604, 7345), (2005, 5876), (2260, 5213), (2938, 4010)]