87011320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197753}}^1$

素因数の和:197775

約数の個数: 32

約数和(自身を含む): 213574320

約数和(自身を除く): 126563000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197753, 395506, 791012, 988765, 1582024, 1977530, 2175283, 3955060, 4350566, 7910120, 8701132, 10876415, 17402264, 21752830, 43505660, 87011320]

約数ペア:

[(1, 87011320), (2, 43505660), (4, 21752830), (5, 17402264), (8, 10876415), (10, 8701132), (11, 7910120), (20, 4350566), (22, 3955060), (40, 2175283), (44, 1977530), (55, 1582024), (88, 988765), (110, 791012), (220, 395506), (440, 197753)]