13147520

素因数分解:

$2^7\times 5^1\times {\mathrm{20543}}^1$

素因数の和:20562

約数の個数: 32

約数和(自身を含む): 31432320

約数和(自身を除く): 18284800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20543, 41086, 82172, 102715, 164344, 205430, 328688, 410860, 657376, 821720, 1314752, 1643440, 2629504, 3286880, 6573760, 13147520]

約数ペア:

[(1, 13147520), (2, 6573760), (4, 3286880), (5, 2629504), (8, 1643440), (10, 1314752), (16, 821720), (20, 657376), (32, 410860), (40, 328688), (64, 205430), (80, 164344), (128, 102715), (160, 82172), (320, 41086), (640, 20543)]