12501280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7103}}^1$

素因数の和:7129

約数の個数: 48

約数和(自身を含む): 32223744

約数和(自身を除く): 19722464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7103, 14206, 28412, 35515, 56824, 71030, 78133, 113648, 142060, 156266, 227296, 284120, 312532, 390665, 568240, 625064, 781330, 1136480, 1250128, 1562660, 2500256, 3125320, 6250640, 12501280]

約数ペア:

[(1, 12501280), (2, 6250640), (4, 3125320), (5, 2500256), (8, 1562660), (10, 1250128), (11, 1136480), (16, 781330), (20, 625064), (22, 568240), (32, 390665), (40, 312532), (44, 284120), (55, 227296), (80, 156266), (88, 142060), (110, 113648), (160, 78133), (176, 71030), (220, 56824), (352, 35515), (440, 28412), (880, 14206), (1760, 7103)]