80004840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{666707}}^1$

素因数の和:666721

約数の個数: 32

約数和(自身を含む): 240014880

約数和(自身を除く): 160010040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 666707, 1333414, 2000121, 2666828, 3333535, 4000242, 5333656, 6667070, 8000484, 10000605, 13334140, 16000968, 20001210, 26668280, 40002420, 80004840]

約数ペア:

[(1, 80004840), (2, 40002420), (3, 26668280), (4, 20001210), (5, 16000968), (6, 13334140), (8, 10000605), (10, 8000484), (12, 6667070), (15, 5333656), (20, 4000242), (24, 3333535), (30, 2666828), (40, 2000121), (60, 1333414), (120, 666707)]