8829280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 21062160

約数和(自身を除く): 12232880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 397, 556, 695, 794, 1112, 1390, 1588, 1985, 2224, 2780, 3176, 3970, 4448, 5560, 6352, 7940, 11120, 12704, 15880, 22240, 31760, 55183, 63520, 110366, 220732, 275915, 441464, 551830, 882928, 1103660, 1765856, 2207320, 4414640, 8829280]

約数ペア:

[(1, 8829280), (2, 4414640), (4, 2207320), (5, 1765856), (8, 1103660), (10, 882928), (16, 551830), (20, 441464), (32, 275915), (40, 220732), (80, 110366), (139, 63520), (160, 55183), (278, 31760), (397, 22240), (556, 15880), (695, 12704), (794, 11120), (1112, 7940), (1390, 6352), (1588, 5560), (1985, 4448), (2224, 3970), (2780, 3176)]