7947880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 19128960

約数和(自身を除く): 11181080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 163, 184, 212, 230, 265, 326, 424, 460, 530, 652, 815, 920, 1060, 1219, 1304, 1630, 2120, 2438, 3260, 3749, 4876, 6095, 6520, 7498, 8639, 9752, 12190, 14996, 17278, 18745, 24380, 29992, 34556, 37490, 43195, 48760, 69112, 74980, 86390, 149960, 172780, 198697, 345560, 397394, 794788, 993485, 1589576, 1986970, 3973940, 7947880]

約数ペア:

[(1, 7947880), (2, 3973940), (4, 1986970), (5, 1589576), (8, 993485), (10, 794788), (20, 397394), (23, 345560), (40, 198697), (46, 172780), (53, 149960), (92, 86390), (106, 74980), (115, 69112), (163, 48760), (184, 43195), (212, 37490), (230, 34556), (265, 29992), (326, 24380), (424, 18745), (460, 17278), (530, 14996), (652, 12190), (815, 9752), (920, 8639), (1060, 7498), (1219, 6520), (1304, 6095), (1630, 4876), (2120, 3749), (2438, 3260)]