1291982080

素因数分解:

$2^8\times 5^1\times {\mathrm{1009361}}^1$

素因数の和:1009382

約数の個数: 36

約数和(自身を含む): 3094703892

約数和(自身を除く): 1802721812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1009361, 2018722, 4037444, 5046805, 8074888, 10093610, 16149776, 20187220, 32299552, 40374440, 64599104, 80748880, 129198208, 161497760, 258396416, 322995520, 645991040, 1291982080]

約数ペア:

[(1, 1291982080), (2, 645991040), (4, 322995520), (5, 258396416), (8, 161497760), (10, 129198208), (16, 80748880), (20, 64599104), (32, 40374440), (40, 32299552), (64, 20187220), (80, 16149776), (128, 10093610), (160, 8074888), (256, 5046805), (320, 4037444), (640, 2018722), (1280, 1009361)]