11520730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 23835384

約数和(自身を除く): 12314654

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 401, 442, 802, 845, 1105, 1690, 2005, 2210, 2873, 4010, 5213, 5746, 6817, 10426, 13634, 14365, 26065, 28730, 34085, 52130, 67769, 68170, 88621, 135538, 177242, 338845, 443105, 677690, 886210, 1152073, 2304146, 5760365, 11520730]

約数ペア:

[(1, 11520730), (2, 5760365), (5, 2304146), (10, 1152073), (13, 886210), (17, 677690), (26, 443105), (34, 338845), (65, 177242), (85, 135538), (130, 88621), (169, 68170), (170, 67769), (221, 52130), (338, 34085), (401, 28730), (442, 26065), (802, 14365), (845, 13634), (1105, 10426), (1690, 6817), (2005, 5746), (2210, 5213), (2873, 4010)]