13460360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 32400000

約数和(自身を除く): 18939640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 199, 356, 380, 398, 445, 712, 760, 796, 890, 995, 1592, 1691, 1780, 1990, 3382, 3560, 3781, 3980, 6764, 7562, 7960, 8455, 13528, 15124, 16910, 17711, 18905, 30248, 33820, 35422, 37810, 67640, 70844, 75620, 88555, 141688, 151240, 177110, 336509, 354220, 673018, 708440, 1346036, 1682545, 2692072, 3365090, 6730180, 13460360]

約数ペア:

[(1, 13460360), (2, 6730180), (4, 3365090), (5, 2692072), (8, 1682545), (10, 1346036), (19, 708440), (20, 673018), (38, 354220), (40, 336509), (76, 177110), (89, 151240), (95, 141688), (152, 88555), (178, 75620), (190, 70844), (199, 67640), (356, 37810), (380, 35422), (398, 33820), (445, 30248), (712, 18905), (760, 17711), (796, 16910), (890, 15124), (995, 13528), (1592, 8455), (1691, 7960), (1780, 7562), (1990, 6764), (3382, 3980), (3560, 3781)]