133732520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13009}}^1$

素因数の和:13277

約数の個数: 32

約数和(自身を含む): 302092200

約数和(自身を除く): 168359680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 13009, 26018, 52036, 65045, 104072, 130090, 260180, 520360, 3343313, 6686626, 13373252, 16716565, 26746504, 33433130, 66866260, 133732520]

約数ペア:

[(1, 133732520), (2, 66866260), (4, 33433130), (5, 26746504), (8, 16716565), (10, 13373252), (20, 6686626), (40, 3343313), (257, 520360), (514, 260180), (1028, 130090), (1285, 104072), (2056, 65045), (2570, 52036), (5140, 26018), (10280, 13009)]