138308440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{11047}}^1$

素因数の和:11371

約数の個数: 32

約数和(自身を含む): 312216480

約数和(自身を除く): 173908040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 11047, 12520, 22094, 44188, 55235, 88376, 110470, 220940, 441880, 3457711, 6915422, 13830844, 17288555, 27661688, 34577110, 69154220, 138308440]

約数ペア:

[(1, 138308440), (2, 69154220), (4, 34577110), (5, 27661688), (8, 17288555), (10, 13830844), (20, 6915422), (40, 3457711), (313, 441880), (626, 220940), (1252, 110470), (1565, 88376), (2504, 55235), (3130, 44188), (6260, 22094), (11047, 12520)]