136456720

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6637}}^1$

素因数の和:6907

約数の個数: 40

約数和(自身を含む): 318544344

約数和(自身を除く): 182087624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 6637, 10280, 13274, 20560, 26548, 33185, 53096, 66370, 106192, 132740, 265480, 530960, 1705709, 3411418, 6822836, 8528545, 13645672, 17057090, 27291344, 34114180, 68228360, 136456720]

約数ペア:

[(1, 136456720), (2, 68228360), (4, 34114180), (5, 27291344), (8, 17057090), (10, 13645672), (16, 8528545), (20, 6822836), (40, 3411418), (80, 1705709), (257, 530960), (514, 265480), (1028, 132740), (1285, 106192), (2056, 66370), (2570, 53096), (4112, 33185), (5140, 26548), (6637, 20560), (10280, 13274)]