13308427520

素因数分解:

$2^8\times 5^1\times {\mathrm{10397209}}^1$

素因数の和:10397230

約数の個数: 36

約数和(自身を含む): 31877845860

約数和(自身を除く): 18569418340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10397209, 20794418, 41588836, 51986045, 83177672, 103972090, 166355344, 207944180, 332710688, 415888360, 665421376, 831776720, 1330842752, 1663553440, 2661685504, 3327106880, 6654213760, 13308427520]

約数ペア:

[(1, 13308427520), (2, 6654213760), (4, 3327106880), (5, 2661685504), (8, 1663553440), (10, 1330842752), (16, 831776720), (20, 665421376), (32, 415888360), (40, 332710688), (64, 207944180), (80, 166355344), (128, 103972090), (160, 83177672), (256, 51986045), (320, 41588836), (640, 20794418), (1280, 10397209)]