27984010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90271}}^1$

素因数の和:90309

約数の個数: 16

約数和(自身を含む): 51996672

約数和(自身を除く): 24012662

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 90271, 180542, 451355, 902710, 2798401, 5596802, 13992005, 27984010]

約数ペア:

[(1, 27984010), (2, 13992005), (5, 5596802), (10, 2798401), (31, 902710), (62, 451355), (155, 180542), (310, 90271)]