27576980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2341}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 62952960

約数和(自身を除く): 35375980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2341, 2356, 2945, 4682, 5890, 9364, 11705, 11780, 23410, 44479, 46820, 72571, 88958, 145142, 177916, 222395, 290284, 362855, 444790, 725710, 889580, 1378849, 1451420, 2757698, 5515396, 6894245, 13788490, 27576980]

約数ペア:

[(1, 27576980), (2, 13788490), (4, 6894245), (5, 5515396), (10, 2757698), (19, 1451420), (20, 1378849), (31, 889580), (38, 725710), (62, 444790), (76, 362855), (95, 290284), (124, 222395), (155, 177916), (190, 145142), (310, 88958), (380, 72571), (589, 46820), (620, 44479), (1178, 23410), (2341, 11780), (2356, 11705), (2945, 9364), (4682, 5890)]