25230128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20479}}^1$

素因数の和:20505

約数の個数: 40

約数和(自身を含む): 60948480

約数和(自身を除く): 35718352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 20479, 40958, 81916, 143353, 163832, 225269, 286706, 327664, 450538, 573412, 901076, 1146824, 1576883, 1802152, 2293648, 3153766, 3604304, 6307532, 12615064, 25230128]

約数ペア:

[(1, 25230128), (2, 12615064), (4, 6307532), (7, 3604304), (8, 3153766), (11, 2293648), (14, 1802152), (16, 1576883), (22, 1146824), (28, 901076), (44, 573412), (56, 450538), (77, 327664), (88, 286706), (112, 225269), (154, 163832), (176, 143353), (308, 81916), (616, 40958), (1232, 20479)]