827432680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157907}}^1$

素因数の和:158049

約数の個数: 32

約数和(自身を含む): 1875947040

約数和(自身を除く): 1048514360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 157907, 315814, 631628, 789535, 1263256, 1579070, 3158140, 6316280, 20685817, 41371634, 82743268, 103429085, 165486536, 206858170, 413716340, 827432680]

約数ペア:

[(1, 827432680), (2, 413716340), (4, 206858170), (5, 165486536), (8, 103429085), (10, 82743268), (20, 41371634), (40, 20685817), (131, 6316280), (262, 3158140), (524, 1579070), (655, 1263256), (1048, 789535), (1310, 631628), (2620, 315814), (5240, 157907)]