78097040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139459}}^1$

素因数の和:139479

約数の個数: 40

約数和(自身を含む): 207516480

約数和(自身を除く): 129419440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139459, 278918, 557836, 697295, 976213, 1115672, 1394590, 1952426, 2231344, 2789180, 3904852, 4881065, 5578360, 7809704, 9762130, 11156720, 15619408, 19524260, 39048520, 78097040]

約数ペア:

[(1, 78097040), (2, 39048520), (4, 19524260), (5, 15619408), (7, 11156720), (8, 9762130), (10, 7809704), (14, 5578360), (16, 4881065), (20, 3904852), (28, 2789180), (35, 2231344), (40, 1952426), (56, 1394590), (70, 1115672), (80, 976213), (112, 697295), (140, 557836), (280, 278918), (560, 139459)]